Message type: E = Error
Message class:  5F - HR F: Error Messages (France) 
Message number: 100
Message text: Client &1 already converted
To restart the conversion program, you must delete the data in tables
T5F2A and T5F2B in client &V1&.
You must also check that the MOMAL field (Continued pay modifier by
branch/facility) in table T5F1P and the MMSTA field (Continued pay
modifier by employee status) in table T5F03 are both empty.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message "5F100 Client &1 already converted" typically indicates that the client you are trying to convert has already undergone a conversion process. This error is often encountered during client copy or client conversion operations, particularly when working with SAP systems that involve client-specific data.
Cause: Client Already Converted: The primary cause of this error is that the client you are attempting to convert has already been converted previously. This could happen if the conversion process was executed more than once on the same client. Incorrect Client Selection: You may have selected the wrong client for conversion, which has already been processed. System
Configuration Issues: There may be issues with the system configuration or the status of the client that prevent the conversion from being executed again.
Solution: Verify Client Status: Check the status of the client in question. You can do this by using transaction code SCC4 to view the client settings and
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
5F097 Global, pat. or non-det cross-bord. worker contract from &1 to &2 (T5F45)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
5F096 Part-time coefficient not determined for prorata (period &1-&2)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
5F101 Table &1 already converted (client &2)
What causes this issue?  The conversion of table &V1& was already performed in client &V2&. It will not be repeated.System Response  T...
5F102 &3 entries in table &1 were converted correctly (client &2)
What causes this issue?  The conversion of table &V1& was performed in client &V2&. &V3& entries have been converted.System Re...
Click on this link to search all SAP messages.