The following error is noted in the Symantec Endpoint Protection Manager (SEPM) DBValidator log:
SEVERE: ERROR: INVALID FWD REV Delta links for: {<Content Moniker>}
FWD Delta invalid links: []
REV Delta invalid links: []
Release : SEP 14.3
Component : SEPM
This is an indication of content corruption or broken links.
Contact support to obtain and run Content Cleanup tool to fix broken links.