How To Fix IV079 - NAMETAB error: Discrepancy in tab &1 from position &2

SAP Error Message - Details

• Message type: E = Error

• Message class: IV - Elementary Steps of Incremental Conversion (ICNV)

• Message number: 079

• Message text: NAMETAB error: Discrepancy in tab &1 from position &2

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 IV079 - NAMETAB error: Discrepancy in tab &1 from position &2 ?

  The SAP error message IV079, which indicates a "NAMETAB error: Discrepancy in tab &1 from position &2," typically arises during the processing of data in the SAP system, particularly when dealing with internal tables or name tables. This error suggests that there is an inconsistency or discrepancy in the data structure or content of the specified internal table.
  Cause:
  
  Data Inconsistency: The error often occurs when there is a mismatch in the expected structure of the internal table. This could be due to missing fields, incorrect data types, or unexpected values.
  Corrupted Data: If the data in the internal table has been corrupted or improperly initialized, it can lead to discrepancies.
  Program Logic Errors: Errors in the ABAP code that manipulate the internal table can also lead to this issue, such as incorrect indexing or looping through the table.
  Changes in Data Structure: If there have been recent changes to the data structure (like adding or removing fields) without proper adjustments in the code, it can lead to this error.
  
  Solution:
  
  Check Data Structure: Verify the structure of the internal table mentioned in the error message. Ensure that it matches the expected format and contains all necessary fields.
  Debugging: Use the ABAP debugger to step through the code where the error occurs. Check the contents of the internal table at various points to identify where the discrepancy arises.
  Data Validation: Implement checks to validate the data being inserted into the internal table. Ensure that data types and lengths are consistent with the table definition.
  Review Recent Changes: If the error started occurring after recent changes to the program or data structure, review those changes to identify any potential issues.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or program to see if there are known issues or patches available.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the IV079 error. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: If the error occurs during a specific transaction, look into the transaction code and its related programs for any known bugs or issues.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and their solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or ABAP development team for further investigation and resolution.