Symptoms
After upgrade from 4.6.8 to 4.6.11 SharePoint groups are not available via Smartobject Tester UMGroup SmartObject or via K2 Workspace
SharePoint Group Providers configuration (User Managers > SP > Group Provides) hasn't been changed and shows correct Group Providers listed.
Identity.Identity table contains all required groups.
Event Viewer/K2 logs contain the following errors:
0 SharePointRoleProvider.GetGroups: System.Reflection.TargetInvocationException: An unexpected failure was encountered when contacting SharePoint to get information from the group provider xxxx-xxx: Cannot find column [Label]. > System.Data.EvaluateException: Cannot find column [Label].
"Error","IdentityService","64007","IdentityServiceError","IdentityService.ProviderFindGroups","64007 An error occurred during Group provider search, and no results were returned Cannot find column [Label].
Diagnoses
This is known issue where groups are not available via Workspace which occurrs afrer upgrade to 4.6.11
[BREAKING CHANGE] - URM 'Get Groups' Method Does Not Return Data When 'SP' is Used as Parameter [SP2010] - URM 'Get Groups' Method Does Not Return Data When 'SP' is Used as Parameter [SP2010]
Resolution
Please contact K2 support to request codefix.