How To Fix UPP_ALV102 - Internal program error (container and control are incompatible)

SAP Error Message - Details

• Message type: E = Error

• Message class: UPP_ALV - Message Class for the ALV Grid Link

• Message number: 102

• Message text: Internal program error (container and control are incompatible)

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 UPP_ALV102 - Internal program error (container and control are incompatible) ?

  The SAP error message UPP_ALV102 indicates an internal program error related to the ALV (ABAP List Viewer) container and control being incompatible. This error typically arises when there is a mismatch between the ALV container and the control elements being used in the report or application.
  Causes:
  
  Incompatible Container and Control: The ALV container (like a grid or list) and the control elements (like toolbar buttons, menus, etc.) are not compatible with each other. This can happen if the container is not properly initialized or if the control is not suitable for the type of container being used.
  Incorrect Configuration: The configuration settings for the ALV might be incorrect, leading to issues in rendering the output.
  Version Mismatch: There may be a version mismatch between the ALV components or the SAP system itself, especially if custom developments are involved.
  Custom Code Issues: If there is custom code that manipulates the ALV display or its components, it may lead to this error if not properly handled.
  
  Solutions:
  
  Check Container Initialization: Ensure that the ALV container is properly initialized before any controls are added. Verify that the container type matches the control type.
  Review Custom Code: If you have custom code that interacts with the ALV, review it for any potential issues. Ensure that all components are compatible and correctly configured.
  Update SAP System: If you are running an older version of SAP, consider applying the latest patches or updates, as this may resolve compatibility issues.
  Use Standard ALV Functions: If you are using custom implementations, try to revert to standard ALV functions to see if the error persists. This can help isolate the issue.
  Debugging: Use the ABAP debugger to trace the execution of the program and identify where the incompatibility occurs. Look for any runtime errors or exceptions that may provide more context.
  Check Documentation: Refer to SAP documentation or notes related to ALV and the specific components you are using. There may be known issues or additional configuration steps required.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the UPP_ALV102 error. SAP frequently updates its knowledge base with solutions for common errors.
  ALV Documentation: Review the official SAP documentation on ALV to ensure that you are following best practices for implementation.
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or other developer forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the UPP_ALV102 error and implement a suitable solution.