Message type: E = Error
Message class: >REP -
Message number: 154
Message text: Lock object <&1> already exists
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>REP154
- Lock object <&1> already exists ?The SAP error message REP154: Lock object <&1> already exists typically indicates that a lock object is already in use when a program or transaction attempts to create a new lock on the same object. This can happen in various scenarios, such as when multiple users or processes are trying to access the same data simultaneously.
Cause: Concurrent Access: Multiple users or processes are trying to access or modify the same data at the same time, leading to a conflict. Long-Running Transactions: A transaction that takes a long time to complete may hold a lock for an extended period, preventing others from accessing the same data. Improper Lock Management: The application may not be releasing locks properly after completing operations, leading to stale locks. Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
Solution: Wait and Retry: If the lock is held by another
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