How To Fix /ISDFPS/WKC041 - Internal ALV tree error

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/WKC -

• Message number: 041

• Message text: Internal ALV tree error

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/WKC041 - Internal ALV tree error ?

  The SAP error message /ISDFPS/WKC041 Internal ALV tree error typically occurs in the context of the ALV (ABAP List Viewer) when there is an issue with the internal data structure used to display the ALV tree. This error can arise due to various reasons, including data inconsistencies, programming errors, or issues with the ALV configuration.
  Causes:
  
  Data Inconsistencies: If the data being passed to the ALV is inconsistent or not structured correctly, it can lead to this error.
  Incorrect Field Catalog: If the field catalog used for the ALV is not defined properly or does not match the data being displayed, it can cause issues.
  Memory Issues: If there are memory constraints or if the internal tables used for the ALV are too large, it may lead to this error.
  Custom Code Issues: If there are custom enhancements or modifications in the ALV display logic, they may introduce bugs that lead to this error.
  SAP Notes: Sometimes, this error can be related to known issues in the SAP system that have been documented in SAP Notes.
  
  Solutions:
  
  Check Data Consistency: Ensure that the data being passed to the ALV is consistent and correctly structured. Validate the internal tables and data types.
  Review Field Catalog: Verify that the field catalog is correctly defined and matches the data structure. Ensure that all required fields are included and correctly configured.
  Memory Management: If the dataset is large, consider implementing pagination or limiting the number of records displayed at once to reduce memory usage.
  Debugging: Use the ABAP debugger to trace the execution of the ALV code and identify where the error occurs. Look for any anomalies in the data or logic.
  Check for SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that address this specific error. Applying a relevant note may resolve the issue.
  Revert Custom Code: If the error started occurring after a recent change, consider reverting the changes to see if the error persists.
  
  Related Information:
  
  ALV Documentation: Review the official SAP documentation on ALV to understand the expected data structures and configurations.
  SAP Community: Check forums and community discussions for similar issues and solutions shared by other SAP users.
  SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the /ISDFPS/WKC041 Internal ALV tree error.