Message type: E = Error
Message class:  /PM0/ALP_BTX -  
Message number: 059
Message text: &1 CD locks were set
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The SAP error message /PM0/ALP_BTX059 &1 CD locks were set typically indicates that there are certain locks in the system that are preventing the execution of a particular transaction or process. This error is often related to the use of the SAP Advanced Planning and Optimization (APO) module, particularly in the context of planning and execution processes.
Cause: Concurrent Access: The error usually occurs when multiple users or processes are trying to access or modify the same data simultaneously, leading to a situation where locks are set to maintain data integrity. Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, causing other transactions to fail. System Configuration: Incorrect configuration of the system or planning areas can also lead to unnecessary locking.
Solution: Identify the Locks: Use transaction codes like SM12 to check for existing locks in the system. This will help you identify which user or process is
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