3495213 - HANA User With User Admin Privilege Cannot Administer User Group

You are using a HANA user which has USER ADMIN privilege to administer (manage, modify) a user group for example configure a parameter for all user group users.
You are getting the error: SAP DBTech JDBC: [258]: insufficient privilege: Detailed info for this error can be found with guid.

By referring to Resolve Insufficient Privilege Errors, you know your user is missing USERGROUP OPERATOR privilege on the user group.

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SAP HANA Platform Edition 2.0 SPS02 and above

USERGROUP OPERATOR, shared administration, exclusive administration, user group , KBA , HAN-DB-SEC , SAP HANA Security & User Management , Problem