Message type: E = Error
Message class:  /SAPAPO/VMI_APO -  
Message number: 016
Message text: Invalid planning version
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The SAP error message /SAPAPO/VMI_APO016 Invalid planning version typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with Vendor Managed Inventory (VMI) scenarios. This error indicates that the planning version specified in the system is not valid or does not exist.
Cause: Non-existent Planning Version: The planning version you are trying to use may not have been created or activated in the system. Incorrect Configuration: The configuration settings for the planning version may be incorrect or incomplete. Authorization Issues: The user may not have the necessary authorizations to access the specified planning version. Data Consistency Issues: There may be inconsistencies in the master data or transaction data related to the planning version.
Solution: Check Planning Version: Go to the transaction code /SAPAPO/VER to check the list of available planning versions. Ensure that the planning version you are trying to use is listed and is active. Create/Activate Planning Version: If the planning version does not exist,
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