Need help in CIS

HI ,

I need help in CIS. Actually what problem i am facing was, when 
document set are started from DA, its gets categorized by CIS and CIS 
put those documents under Sys/C/Unknown folder which CIS maintains in 
his database.

one problem iam facing was, after synchronizing taxonomy from DA, iam 
able to view that in CIS Admin tool. but when iam trying to open that 
to view the category name, evidence terms, its displaying some error 
like 

java.lang.Exception: The operator for the property filter was invalid.


Can anyone please provide solution for this...







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