Message type: E = Error
Message class:  CNV_21525 - Administrator Rename 
Message number: 015
Message text: For administrator group &1, old and new administrators &2 are identical
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The SAP error message CNV_21525015 indicates that there is an issue with the assignment of administrators in a specific administrator group. The message states that the old and new administrators are identical, which means that the system is trying to assign the same user as both the old and new administrator for that group.
Cause: This error typically occurs during a migration or data conversion process where the system is attempting to update the administrator for a group, but the new administrator being assigned is the same as the existing one. This can happen due to: Incorrect Configuration: The configuration or mapping of administrators may have been set up incorrectly, leading to the same user being assigned. Data Migration Issues: During data migration, the source data may have been incorrectly mapped, resulting in the same user being identified as both the old and new administrator. User Management Errors: There may be a misunderstanding or oversight
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