Message type: E = Error
Message class:  HRTM00_JOB_FAMILY - HR Job Family: Job Family 
Message number: 013
Message text: The job family is already being used and cannot be changed
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The SAP error message HRTM00_JOB_FAMILY013 indicates that you are trying to change a job family that is currently in use. This typically occurs in the context of SAP SuccessFactors or SAP HCM (Human Capital Management) when attempting to modify job family details that are linked to existing employee records, positions, or other related entities.
Cause: Existing Assignments: The job family you are trying to modify is already assigned to one or more employees or positions. Data Integrity: SAP enforces data integrity rules to prevent changes that could lead to inconsistencies in the system. Configuration Settings: Certain configuration settings may restrict changes to job families that are actively in use.
Solution: Identify Usage: Check which employees or positions are currently assigned to the job family. You can do this by running reports or queries in the SAP system to find all instances of the job family in use. Remove Assignments: If possible, reassign or remove the job family
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