How To Fix CFD_DDIC_ADAPTER019 - Append Adapter: Extension Include of append &1 is not consistent

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_DDIC_ADAPTER - Custom Fields: CDS Adapter

• Message number: 019

• Message text: Append Adapter: Extension Include of append &1 is not consistent

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_DDIC_ADAPTER019 - Append Adapter: Extension Include of append &1 is not consistent ?

  The SAP error message CFD_DDIC_ADAPTER019, which states "Append Adapter: Extension Include of append &1 is not consistent," typically occurs in the context of Data Dictionary (DDIC) objects, particularly when dealing with append structures in ABAP.
  Cause:
  This error usually arises due to inconsistencies in the append structure or its associated components. Common causes include:
  
  Inconsistent Data Types: The data types of fields in the append structure may not match the expected types in the base structure.
  Missing Fields: Fields that are expected in the append structure may be missing or incorrectly defined.
  Transport Issues: If the append structure was transported from one system to another, there may be inconsistencies due to missing dependencies or objects.
  Changes in Base Structure: If the base structure has been modified after the append structure was created, it may lead to inconsistencies.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Append Structure:
  
  Go to the Data Dictionary (transaction SE11) and check the definition of the append structure.
  Ensure that all fields are correctly defined and that their data types match the expected types.
  
  
  
  Check the Base Structure:
  
  Review the base structure to which the append is attached. Ensure that it has not been modified in a way that would cause inconsistencies.
  
  
  
  Activate the Objects:
  
  Sometimes, simply activating the append structure and the base structure can resolve the issue. Use transaction SE11 to activate both.
  
  
  
  Check for Transport Issues:
  
  If the append structure was transported, ensure that all related objects were also transported correctly. You may need to re-transport the objects or manually adjust them.
  
  
  
  Use the ABAP Dictionary Utilities:
  
  Use the "Utilities" menu in SE11 to check for inconsistencies. You can use the "Check" option to identify any issues.
  
  
  
  Review Change Logs:
  
  If the issue arose after a recent change, review the change logs to identify what modifications were made.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE37 (Function Module), SE80 (Object Navigator).
  Documentation: Review the SAP Help Portal for documentation on Data Dictionary and append structures.
  Community Forums: Consider checking SAP Community or other forums for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or ABAP development team for further investigation.