Message type: E = Error
Message class:  /MVA/AMV_EUROTAX -  
Message number: 020
Message text: Table &1 is already locked
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The SAP error message /MVA/AMV_EUROTAX020 Table &1 is already locked typically indicates that a specific table (denoted by &1) is currently locked by another process or user. This can happen in various scenarios, such as when multiple users or processes attempt to access or modify the same data simultaneously.
Cause: Concurrent Access: Another user or process is currently accessing or modifying the table, leading to a lock. Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table longer than expected. Deadlocks: In some cases, a deadlock situation may occur where two or more processes are waiting for each other to release locks. System Configuration: Certain configurations or customizations in the SAP system may lead to unexpected locking behavior.
Solution: Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue. Identify the Lock: Use transaction code SM12 to check
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