Error preventing the execution of Tag Cloud macro if the limit set is higher than the number of existing tags

Failed to execute the [velocity] macro. Cause: [toIndex = 3]. Click on this message for details.

org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [##
## tagCloudSpace - the space to display the tag cloud for. If blank, display cloud for the whole wiki. Default is blank.
#set ($tagCloudSpace = $xcontext.macro.params.get('space'))
#set ($tagCloudSpaces = $xcontext.macro.params.get('spaces'))
#set ($limit = $xcontext.macro.params.get('limit'))
##
## Configurable popularity levels. You must enter an even number of levels. Default: 6.
#set ($popularityLevels = ["notPopular", "notVeryPopular", "somewhatPopular", "popular", "veryPopular", "ultraPopular"])
#set ($levelsHalf = $popularityLevels.size() / 2)
##
$xwiki.ssx.use('XWiki.TagCloud')##
##
#if( $tagCloudSpace && $tagCloudSpaces )
  {{error}}
  ##Do not use space and spaces parameter in the same time.
  {{translation key="xe.tag.paramerror" /}}
  {{/error}}
  #break
#end

##If multiple spaces with "spaces" parameter
#if( $tagCloudSpaces )
  #set ($tagCount = $xwiki.tag.getTagCountForSpaces($tagCloudSpaces))
#else
  ##If only one space
  ## Get tag count map. Key: tag, value: number of occurrences.
  #set ($tagCount = $xwiki.tag.getTagCount("$!tagCloudSpace"))
#end
## Organize tags as a list of {name, count} object so that it is easier to handle (sorting, limiting, ...)
#set ($tagCountList = [])
#foreach ($tagName in $tagCount.keySet())
  #set ($discard = $tagCountList.add({
    "name": $tagName,
    "count": $tagCount[$tagName]
  }))
#end
## If a limit is set, only keep n most occurring tags
## If tags have the same occurrence, limit them in alphabetical order
#set ($tagCountListSorted = $collectiontool.sort($tagCountList, ['count:desc', 'name']))
#if ("$!limit" != '')
  #set ($tagCountListSorted = $tagCountListSorted.subList(0, $limit))
#end
##
## Only build popularity map if at least one tag exists
#if ($tagCountListSorted.size() > 0)
  ##
  ## Store the minimum and maximum number of occurrences.
  #set ($maxIndex = $tagCountListSorted.size() - 1)
  #set ($maxCount = $tagCountListSorted[0].count)
  #set ($minCount = $tagCountListSorted[$maxIndex].count)
  ##
  ## Calculate the total number of tags in the wiki.
  #set ($totalTagNumber = 0)
  #foreach ($currentTag in $tagCountListSorted)
    #set ($totalTagNumber = $totalTagNumber + $currentTag.count)
  #end
  #set ($countAverage = $mathtool.div($totalTagNumber, $tagCountListSorted.size()))
  ##
  ## Build popularity map using the difference between minimum / maximum tag occurrences counts, and the average tag occurences count.
  #set ($firstHalfIntervalSize = $mathtool.div($mathtool.sub($countAverage, $minCount), $levelsHalf))
  #set ($secondHalfIntervalSize = $mathtool.div($mathtool.sub($maxCount, $countAverage), $levelsHalf))
  ##
  ## Use a sorted map
  #set ($popularityMap = $collectiontool.sortedMap)
  #set ($previousPopularityMax = $minCount)
  #set ($intervalSize = $firstHalfIntervalSize)
  #set ($halfPassed = false)
  #foreach ($popularityLevel in $popularityLevels)
    #if ($foreach.count > $levelsHalf && !$halfPassed)
      #set ($intervalSize = $secondHalfIntervalSize)
      #set ($halfPassed = true)
    #end
    #set ($currentPopularityMax = $mathtool.add($previousPopularityMax, $intervalSize))
    ##
    ## round the threshold
    #set ($threshold = $mathtool.roundTo(1, $currentPopularityMax))
    #set ($discard = $popularityMap.put($threshold, $popularityLevel))
    #set ($previousPopularityMax = $currentPopularityMax)
  #end
#end
##
## Display tag cloud.
{{html}}
#if ($tagCountListSorted.size() > 0)
  <ol class="tagCloud">
  #foreach ($tagEntry in $collectiontool.sort($tagCountListSorted, 'name'))
    #foreach ($popularityEntry in $popularityMap.entrySet())
      #if ($popularityEntry.Key >= $tagEntry.count)
        #set ($liClass = $popularityEntry.Value)
        #break
      #end
    #end
    <li class="$liClass">
      <a class="tag" href="$xwiki.getURL('Main.Tags', 'view', "do=viewTag&amp;tag=$escapetool.url($tagEntry.name)")" title="$services.localization.render('xe.tag.tooltip', [$tagEntry.count])">$escapetool.xml($tagEntry.name)</a>
    </li>
  #end
  </ol>
#else
  <p class="noitems">
  #if("$!tagCloudSpace" == "")
    $services.localization.render('xe.tag.notags')
  #else
    $services.localization.render('xe.tag.notagsforspace', ["$tagCloudSpace"])
  #end
  </p>
#end
{{/html}}]

 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:135)

 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:51)

 at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:279)

 at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)

 at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)

 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:309)

 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)

 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:76)

 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:876)

 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:862)

 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:595)

 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.execute(DefaultWikiMacroRenderer.java:410)

 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)

 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284)

 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)

 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)

 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacro.execute(DefaultWikiMacro.java:110)

 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacro.execute(DefaultWikiMacro.java:53)

 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:309)

 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)

 at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:88)

 at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:395)

 at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:268)

 at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:107)

 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)

 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:290)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)

 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)

 at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:67)

 at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:43)

 at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:96)

 at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:39)

 at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:123)

 at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:52)

 at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:68)

 at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:42)

 at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1349)

 at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1486)

 at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1435)

 at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1404)

 at com.xpn.xwiki.api.Document.displayDocument(Document.java:785)

 at jdk.internal.reflect.GeneratedMethodAccessor796.invoke(Unknown Source)

 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

 at java.base/java.lang.reflect.Method.invoke(Method.java:568)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)

 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)

 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)

 at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)

 at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)

 at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)

 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)

 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)

 at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190)

 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)

 at org.xwiki.velocity.internal.directive.TryCatchDirective.render(TryCatchDirective.java:86)

 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)

 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)

 at org.apache.velocity.Template.merge(Template.java:358)

 at org.apache.velocity.Template.merge(Template.java:262)

 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)

 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)

 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284)

 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)

 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:843)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:805)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:792)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:747)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:739)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:79)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:73)

 at org.xwiki.template.script.TemplateScriptService.render(TemplateScriptService.java:54)

 at jdk.internal.reflect.GeneratedMethodAccessor251.invoke(Unknown Source)

 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

 at java.base/java.lang.reflect.Method.invoke(Method.java:568)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)

 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)

 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)

 at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)

 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)

 at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)

 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)

 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)

 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)

 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)

 at org.apache.velocity.Template.merge(Template.java:358)

 at org.apache.velocity.Template.merge(Template.java:262)

 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)

 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)

 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284)

 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)

 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:843)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:805)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:792)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:747)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:739)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:79)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:73)

 at org.xwiki.template.script.TemplateScriptService.render(TemplateScriptService.java:54)

 at jdk.internal.reflect.GeneratedMethodAccessor251.invoke(Unknown Source)

 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

 at java.base/java.lang.reflect.Method.invoke(Method.java:568)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)

 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)

 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)

 at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)

 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)

 at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)

 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)

 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)

 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)

 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)

 at org.apache.velocity.Template.merge(Template.java:358)

 at org.apache.velocity.Template.merge(Template.java:262)

 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)

 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)

 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284)

 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)

 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:843)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:805)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:792)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:747)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:739)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:79)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:73)

 at org.xwiki.template.script.TemplateScriptService.render(TemplateScriptService.java:54)

 at jdk.internal.reflect.GeneratedMethodAccessor251.invoke(Unknown Source)

 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

 at java.base/java.lang.reflect.Method.invoke(Method.java:568)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)

 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)

 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)

 at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)

 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)

 at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)

 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)

 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)

 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)

 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)

 at org.apache.velocity.Template.merge(Template.java:358)

 at org.apache.velocity.Template.merge(Template.java:262)

 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)

 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)

 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)

 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284)

 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284)

 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)

 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:843)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:805)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:785)

 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:771)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:91)

 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:85)

 at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2553)

 at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:180)

 at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:612)

 at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:300)

 at com.xpn.xwiki.web.LegacyActionServlet.service(LegacyActionServlet.java:112)

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:596)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:61)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)

 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)

 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)

 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)

 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)

 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)

 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)

 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)

 at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:673)

 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)

 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)

 at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)

 at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)

 at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926)

 at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)

 at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)

 at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)

 at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)

 at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

 at java.base/java.lang.Thread.run(Thread.java:833)

Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [xwiki:a1.WebHome]

 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:289)

 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)

 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:127)

 ... 235 more

Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'subList' in  class java.util.ArrayList threw exception java.lang.IndexOutOfBoundsException: toIndex = 3 at xwiki:a1.WebHome[line 41, column 49]

 at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:308)

 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235)

 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)

 at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)

 at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)

 at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)

 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)

 at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:171)

 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)

 at org.apache.velocity.Template.merge(Template.java:358)

 at org.apache.velocity.Template.merge(Template.java:262)

 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)

 ... 237 more

Caused by: java.lang.IndexOutOfBoundsException: toIndex = 3

 at java.base/java.util.AbstractList.subListRangeCheck(AbstractList.java:507)

 at java.base/java.util.ArrayList.subList(ArrayList.java:1108)

 at java.base/jdk.internal.reflect.GeneratedMethodAccessor626.invoke(Unknown Source)

 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

 at java.base/java.lang.reflect.Method.invoke(Method.java:568)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)

 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)

 at org.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:306)

 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)

 ... 247 more