Message type: E = Error
Message class: POAC - Accruals for Purchase Orders
Message number: 026
Message text: The entry &1 is not in customer namespace (Z*, Y*)
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The SAP error message POAC026 indicates that there is an issue with the namespace of an object you are trying to access or use. Specifically, it means that the entry you are trying to reference is not in the customer namespace, which typically includes namespaces starting with "Z" or "Y". This error often occurs in the context of custom developments or enhancements in SAP.
Cause: Incorrect Namespace: The object (like a program, function module, or class) you are trying to access is not defined in the customer namespace (Z or Y). It might be in the standard SAP namespace or another namespace that is not allowed for customer developments. Missing Object: The object you are trying to reference may not exist at all, or it may have been deleted or not transported correctly. Authorization Issues: You may not have the necessary authorizations to access the object in question.
Solution: Check Object Existence: Verify that the object
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