Message type: E = Error
Message class:  PPECON - iPPE Application Object CON - Concepts 
Message number: 016
Message text: Enter the complete document key
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The SAP error message PPECON016: Enter the complete document key typically occurs in the context of the SAP Production Planning and Control (PP) module, particularly when dealing with documents related to production orders, planned orders, or other related transactions.
Cause: This error message indicates that the system requires a complete document key to proceed with the operation you are trying to perform. The document key usually consists of several components, such as: Document type Document number Year (for certain document types) If any of these components are missing or incorrectly entered, the system will trigger this error.
Solution: To resolve the PPECON016 error, follow these steps: Check Input Fields: Ensure that you have entered all required fields for the document key. This typically includes: Document type (e.g., production order, planned order) Document number Year (if applicable) Verify Document Existence: Make sure that the document you are trying to access or manipulate actually exists in the system. You can do this by using transaction
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