If these two items are in a single field,
<IS_DISPLAY_DESCRIPTION/>
<IS_DISPLAY_TITLE/>
and error will occur on upload to that section because of line 197 of UploadXmlDocument.java.
http://vxoware.svn.sourceforge.net/viewvc/vxoware/trunk/src/vobs/webapp/UploadXmlDocument.java?view=log
Error if IS_DISPLAY_DESCRIPTION is not specified anywhere in file.