You have run LiveUpdate for the Symantec Endpoint Protection (SEP) Collector, but the event still occurs in Symantec Security Information Manager (SSIM).
It will create a new filter named Filter for Details Pending Events. Make sure that the box is selected, then save and distribute the configuration.
If you are using Sybase as the default SEP datastore, please refer to the following document to download a new config.xml file.
Title: After running LiveUpdate for the SEP Collector the collector stops working. config.xml after LU for Sybase datastore