Hello All,
This Issue is resolved now. :-)
Permanent Solution: Implement SAP Note 2075412.
Workaround:
Issue was that mcassigner had invalid mskey. It may happen if the mskey has been deleted.
mcassigner can be checked in idmv_link_ext for user-privilege relationship.
select mcassigner, mcthismskeyvalue, mcothermskeyvalue from idmv_link_ext_active where mcthismskeyvalue = '<usermskeyvalue'> and mcothermskeyvalue = '<privilegemskeyvalue>'
In such case mcassigner should have a valid user mskey or -1 (means unknown).
SAP has suggested to set value to -1.
To set mcassigner = -1 below query can be run.
UPDATE mxi_link SET mcassigner = -1 WHERE mcThismskey = ‘<usermskey>’ and mcOthermskey = ‘<mcprivilegemskey>’ AND mcOrphan=0 AND mcLinkType=2 AND mcLinkState<2
After updating mcassigner, removal of such privilege from user was successful.
Thank you to everyone whoever has put effort to provide me the solution.
Regards,
Pradeep