Message type: E = Error
Message class:  HRRSM00 - Process External HR Master Data 
Message number: 212
Message text: An employee with this personnel number already exists
An employee with this SAP personnel number has already been hired.
This employee could not be hired. The data sent cannot be processed any
further.
You can delete any data that you have already sent by using the
'Reorganize' function.
Check the local personnel number, and correct it in the subsystem. Then
attempt to send the personnel number once again.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRRSM00212, which states "An employee with this personnel number already exists," typically occurs in the Human Resources (HR) module when you attempt to create a new employee record using a personnel number that is already assigned to an existing employee. This can happen during various HR processes, such as hiring or data entry.
Cause: Duplicate Personnel Number: The personnel number you are trying to use is already assigned to another employee in the system. Data Entry Error: There may have been a mistake in entering the personnel number, leading to the attempt to create a duplicate. System Configuration: In some cases, the system may not be configured to allow for certain personnel number ranges, leading to conflicts.
Solution: Verify Personnel Number: Check the personnel number you are trying to use. Ensure that it is not already assigned to another employee. You can do this by searching for the personnel number in the
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