Message type: E = Error
Message class:  /SAPAPO/PDEM -  
Message number: 841
Message text: Start of Demand History data deletion
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The SAP error message /SAPAPO/PDEM841 typically indicates an issue related to the deletion of demand history data in the SAP Advanced Planning and Optimization (APO) module. This error can occur during the execution of a program or transaction that attempts to delete demand history data, and it may be caused by various factors.
Cause: Data Locking: The demand history data might be locked by another process or user, preventing deletion. Data Integrity Issues: There may be inconsistencies or integrity issues in the demand history data that prevent it from being deleted. Authorization Issues: The user executing the deletion may not have the necessary authorizations to perform this action.
Configuration Issues: Incorrect configuration settings in the APO system could lead to this error. Technical Errors: There could be underlying technical issues, such as database problems or system performance issues.
Solution: Check Locks: Use transaction SM12 to check for any locks on the demand history data. If locks are found,
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