There is a hot fix available for 6.1 SP2 that should address the issue for you. HFix-5772 modifies the TriggerCheckCache activity to call the @baseclass LookupList activity, which does not require authentication.
Posted: 6 years ago
Posted: 18 Apr 2016 16:49 EDT
Marissa Rogers (MarissaRogers)
Senior Knowledge Management Specialist