How To Fix CFD_REGISTRY_CHECK251 - Structure &1 of Entity &2 is not an existing DDIC structure

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REGISTRY_CHECK - Custom Fields: Messages for Registry Check

• Message number: 251

• Message text: Structure &1 of Entity &2 is not an existing DDIC structure

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REGISTRY_CHECK251 - Structure &1 of Entity &2 is not an existing DDIC structure ?

  The SAP error message CFD_REGISTRY_CHECK251 indicates that there is an issue with the Data Dictionary (DDIC) structure in the context of the Core Data Services (CDS) views or other data-related operations. Specifically, it means that the system is trying to reference a structure that does not exist in the Data Dictionary.
  Cause:
  
  Missing DDIC Structure: The structure specified in the error message does not exist in the Data Dictionary. This could be due to a typo in the structure name or the structure not being created or activated.
  Transport Issues: If the structure was recently transported from another system, it may not have been successfully imported or activated in the target system.
  Incorrect Configuration: The configuration or definition of the CDS view or the related entity might be incorrect, leading to a reference to a non-existent structure.
  Version Mismatch: If there are multiple versions of the same structure or if the structure has been changed or deleted in a newer version, it may lead to this error.
  
  Solution:
  
  Check Structure Existence: Verify that the structure mentioned in the error message exists in the Data Dictionary. You can do this by using transaction SE11 (Data Dictionary) and checking for the structure name.
  Activate the Structure: If the structure exists but is not activated, activate it. Sometimes, structures may not be activated after creation or modification.
  Correct the Reference: If there is a typo or incorrect reference in the CDS view or related entity, correct it to point to the correct structure.
  Transport Check: If the structure was supposed to be transported, check the transport logs to ensure that it was successfully imported and activated in the target system.
  Rebuild the CDS View: If the issue persists, try to rebuild or re-activate the CDS view that is causing the error. This can sometimes resolve issues related to outdated metadata.
  Consult Documentation: If you are unsure about the structure or its purpose, consult the relevant documentation or reach out to your SAP Basis or development team for assistance.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module), and SE24 (Class Builder) can be useful for checking and managing structures and related objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered, which may provide additional context for resolving the issue.
  
  By following these steps, you should be able to identify and resolve the issue related to the CFD_REGISTRY_CHECK251 error message in SAP.