How To Fix FVD_ML039 - Error displaying data in ALV

SAP Error Message - Details

• Message type: E = Error

• Message class: FVD_ML - Machine Learning

• Message number: 039

• Message text: Error displaying data in ALV

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 FVD_ML039 - Error displaying data in ALV ?

  The SAP error message FVD_ML039 typically indicates an issue with displaying data in an ALV (ABAP List Viewer) report. This error can arise due to various reasons, including data inconsistencies, issues with the ALV configuration, or problems with the underlying data model.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data being fetched for the ALV report, such as missing or corrupted entries.
  Authorization Issues: The user may not have the necessary authorizations to view certain data.
  Technical Issues: There could be technical problems with the ALV configuration or the underlying data retrieval logic.
  Buffer Issues: Sometimes, issues with the SAP buffer can lead to problems in data display.
  Incorrect Field Mapping: If the fields in the ALV are not correctly mapped to the data source, it can lead to display errors.
  
  Solutions:
  
  Check Data Consistency: Verify the data in the underlying tables to ensure there are no inconsistencies or missing entries.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the data being displayed in the ALV.
  Debugging: Use the ABAP debugger to trace the data retrieval process and identify where the error occurs.
  ALV Configuration: Review the ALV configuration settings in the report to ensure they are set up correctly.
  Clear Buffer: If you suspect buffer issues, you can try clearing the buffer using transaction code SM12 or SM21 to check for any related logs.
  Check Field Mapping: Ensure that the fields in the ALV layout correspond correctly to the fields in the data source.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE38 (to run the report), SE80 (to check the program), and SE11 (to check the data dictionary).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches.
  ALV Documentation: Review the SAP documentation on ALV to understand the configuration and common issues related to it.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further investigation.