How To Fix UPP_ALV002 - Internal data inconsistency

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 002

• Message text: Internal data inconsistency

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 UPP_ALV002 - Internal data inconsistency ?

  The SAP error message UPP_ALV002, which indicates "Internal data inconsistency," typically arises in the context of ALV (ABAP List Viewer) reports or when using ALV grid controls. This error suggests that there is an inconsistency in the data being processed or displayed, which can be due to various reasons.
  Causes:
  
  Data Inconsistency: The underlying data being fetched for the ALV report may have inconsistencies, such as missing or corrupted records.
  Incorrect Field Catalog: The field catalog used for the ALV display may not match the data structure being passed to it.
  Buffer Issues: There may be issues with the buffer or temporary tables that are being used to store data for the ALV report.
  Custom Code Issues: If there is custom code involved in preparing the data for the ALV, there may be logical errors or bugs in that code.
  Version Compatibility: Sometimes, the issue can arise from using an incompatible version of the ALV function modules or classes.
  
  Solutions:
  
  Check Data Consistency: Verify the data being fetched for the ALV report. Ensure that there are no missing or corrupted records in the database tables.
  Review Field Catalog: Ensure that the field catalog is correctly defined and matches the structure of the data being passed to the ALV.
  Debugging: Use the ABAP debugger to step through the code and identify where the inconsistency is occurring. Look for any anomalies in the data being processed.
  Clear Buffers: If applicable, clear any buffers or temporary tables that may be causing the inconsistency.
  Check Custom Code: If there is custom logic involved, review it for any potential errors or inconsistencies.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Reproduce the Issue: Try to reproduce the error in a development or test environment to better understand the conditions under which it occurs.
  
  Related Information:
  
  ALV Documentation: Review the official SAP documentation on ALV to understand the expected data structures and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., SE38 for report execution, SE80 for object navigation) that may help in debugging the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP Basis or ABAP expert who can provide deeper insights into the issue.