class java.lang.NullPointerException: null

Hello

I have a problem with an import from dokuwiki.

Just 3 pages are imported and i have an error:

 
Exception thrown during job execution
class java.lang.NullPointerException: null at org.xwiki.contrib.dokuwiki.text.internal.input.DokuWikiInputFilterStream.readDocumentParametersFromMetadata(DokuWikiInputFilterStream.java:453) at org.xwiki.contrib.dokuwiki.text.internal.input.DokuWikiInputFilterStream.readDocument(DokuWikiInputFilterStream.java:297) at org.xwiki.contrib.dokuwiki.text.internal.input.DokuWikiInputFilterStream.readDataStream(DokuWikiInputFilterStream.java:224) at org.xwiki.contrib.dokuwiki.text.internal.input.DokuWikiInputFilterStream.read(DokuWikiInputFilterStream.java:164) at org.xwiki.contrib.dokuwiki.text.internal.input.DokuWikiInputFilterStream.read(DokuWikiInputFilterStream.java:144) at org.xwiki.contrib.dokuwiki.text.internal.input.DokuWikiInputFilterStream.read(DokuWikiInputFilterStream.java:74) at org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:79) at org.xwiki.filter.internal.job.FilterStreamConverterJob.runInternal(FilterStreamConverterJob.java:97) at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:243) at org.xwiki.job.AbstractJob.run(AbstractJob.java:220) at org.xwiki.filter.script.internal.ScriptFilterStreamConverterJob.run(ScriptFilterStreamConverterJob.java:75)
 
Is there something wrong in thenext page? How can i find what is?
 
Thank you.