Cannot create a document in Groups

1. Go to a Group
2. Select the Document tabs
3. Select Create a New Page
4. Enter title and content and save

Bug
http://next.dev.curriki.org/xwiki/bin/view/Group_Core3Group/Documentation?action=newdoc&newdocname=Godzilla#

Error number 4001 in 4: Error while parsing velocity page xwiki:Group_Core3Group.Documentation Wrapped Exception: Failed to evaluate content with id Documentation

Error number 4001 in 4: Error while parsing velocity page xwiki:Group_Core3Group.Documentation
Wrapped Exception: Failed to evaluate content with id Documentation
com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while parsing velocity page xwiki:Group_Core3Group.Documentation
Wrapped Exception: Failed to evaluate content with id Documentation
at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:122)
at com.xpn.xwiki.render.XWikiVelocityRenderer.render(XWikiVelocityRenderer.java:93)
at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:292)
at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.renderText(DefaultXWikiRenderingEngine.java:222)