Message type: E = Error
Message class:  FMFEES - Fees 
Message number: 005
Message text: &1: Calculation and posting of fees are running
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The SAP error message FMFEES005 typically indicates that there is an issue with the calculation and posting of fees in the Financial Management (FM) module. This error can occur when there is an attempt to process fee calculations while another process is already running, leading to a conflict.
Cause: Concurrent Processing: The most common cause of this error is that a fee calculation or posting process is already in progress. This can happen if multiple users or processes are trying to execute fee calculations simultaneously. Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one process has locked the relevant data for fee calculation, other processes will be unable to access it until the lock is released. Long-running Processes: If a previous fee calculation is taking longer than expected, it may block subsequent calculations from being initiated.
Solution: Wait and Retry: If you encounter this error, the simplest solution is to wait for
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