An 'undefined' page is any page that has been linked to from within Confluence, but that does not yet exist.

Undefined Page Linked From
Custom Project Templates Page: Custom Project Templates (Documentation)
PBIndex Page: WOProject-Ant (WOProject / WOLips)
PBXIndex Page: WOProject-Ant (WOProject / WOLips)
XcodeIndex Page: WOProject-Ant (WOProject / WOLips)
either Resources or WebServerResources Page: maven-wolifecycle-plugin (WOProject / WOLips)
unknown Page: EOGenerator Templates and Additions (WOProject / WOLips)
Page: Eclipse Team Project Set (WOProject / WOLips)
Page: Embedding WOFrameworks (WOProject / WOLips)
Page: Packaging WO Applications as true WAR with Maven (WOProject / WOLips)
Page: woapplication-archetype (WOProject / WOLips)
and approximately 3 more…
wsDestDir Page: WOApplication (WOProject / WOLips)
your folder here Page: maven-wolifecycle-plugin (WOProject / WOLips)