Message type: E = Error
Message class:  /SAPAPO/PSTRU -  
Message number: 011
Message text: Planning area &1 not used in planning object structure &2
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The SAP error message /SAPAPO/PSTRU011 indicates that a specific planning area is not being utilized in the specified planning object structure. This error typically arises in the context of SAP Advanced Planning and Optimization (APO) when there is a mismatch or misconfiguration in the planning areas and planning object structures.
Cause:
Configuration Issues: The planning area you are trying to use is not assigned to the planning object structure you are working with. Incorrect Planning Object Structure: The planning object structure may not include the planning area you are trying to access. Data Model Changes: Changes in the data model or planning area configuration may have led to the planning area being removed or not properly linked to the planning object structure. Transport Issues: If the configuration was transported from one system to another, there may be inconsistencies in the setup.
Solution: Check Planning Object Structure: Go to the transaction code /SAPAPO/SDP94 (or the relevant transaction for your
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