SAP Message USMD1167 - No authorization &2 for change request of type &1

Diagnosis
Validating your authorization against the authorization object USMD_CREQshowed that you do not have authorization &V2& for the changerequest of type &V1&.

Procedure
You cannot edit the change request.

Procedure for System Administration
Before you can edit the change request, your system administrator mustextend your authorization profile accordingly.