How To Fix AXT_GEN128 - Append generation raised a dynpro

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_GEN - Generation framework

• Message number: 128

• Message text: Append generation raised a dynpro

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_GEN128 - Append generation raised a dynpro ?

  The SAP error message AXT_GEN128, which states "Append generation raised a dynpro," typically occurs during the process of generating or modifying database tables, particularly when dealing with append structures in ABAP Dictionary. This error indicates that there is an issue with the generation of the append structure, which may be due to various reasons.
  Causes:
  
  Field Conflicts: There may be conflicts with existing fields in the table or append structure, such as duplicate field names or incompatible data types.
  Data Dictionary Issues: Problems in the Data Dictionary, such as inconsistencies or missing definitions, can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to perform the append generation.
  Transport Issues: If the changes are being transported from one system to another, there may be issues with the transport request.
  System Configuration: There may be configuration issues in the SAP system that prevent the append generation from completing successfully.
  
  Solutions:
  
  Check Field Definitions: Review the field definitions in the append structure and ensure there are no conflicts with existing fields in the base table.
  Review Data Dictionary: Use transaction SE11 to check the Data Dictionary for any inconsistencies or errors related to the table or append structure.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the append generation. This may involve checking roles and permissions.
  Transport Request: If the issue is related to a transport request, ensure that the request is correctly released and imported into the target system.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Re-Generate the Append: Sometimes, simply re-generating the append structure can resolve the issue. You can do this by going to the append structure in SE11 and choosing the "Activate" option.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Search for specific SAP Notes related to AXT_GEN128 for any known issues or patches.
  Documentation: Review SAP documentation on append structures and database table management for best practices and guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.