Message type: E = Error
Message class:  FKK_PAYMED - Payment Medium: Messages 
Message number: 000
Message text: Payment medium format &1 is obsolete
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The SAP error message FKK_PAYMED000 indicates that the payment medium format specified in the system is obsolete. This typically occurs when the payment medium format you are trying to use for processing payments is no longer supported or has been replaced by a newer version.
Cause: Obsolete Format: The payment medium format you are trying to use has been marked as obsolete in the system. Configuration Changes: Changes in the configuration of payment media formats may have led to the deprecation of certain formats. Version Updates: If your SAP system has been updated or upgraded, some older formats may no longer be available.
Solution: Check Configuration: Go to the transaction code OBPM1 (for payment medium formats) and check the list of available formats. Ensure that the format you are trying to use is still active. If the format is indeed obsolete, you will need to select a different, supported format. Update Payment Medium Format: If you are using a
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