How To Fix N2M029 - Internal error during reading of an internal table

SAP Error Message - Details

• Message type: E = Error

• Message class: N2M - Global Trade: Item Category Management

• Message number: 029

• Message text: Internal error during reading of an internal table

What causes this issue?

An internal error occurred when table &V1& was read. Even though an
entry should exist in the table for trading contract &V2&, no record
was found.

System Response

The function is terminated.

How to fix this error?

INCLUDE ISR_VERWALTUNG

Procedure for System Administrators

Please contact SAP.
The error occurred in function module &V3&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message N2M029 - Internal error during reading of an internal table ?

  The SAP error message N2M029, which states "Internal error during reading of an internal table," typically indicates that there is an issue with the internal processing of data within the SAP system. This error can occur in various contexts, often related to custom developments, data processing, or specific transactions.
  Causes:
  
  Data Corruption: The internal table being accessed may contain corrupted or unexpected data.
  Coding Errors: If there is custom ABAP code involved, there may be logical errors or bugs in the code that manipulate internal tables.
  Memory Issues: Insufficient memory or resource allocation can lead to issues when trying to read large internal tables.
  Version Incompatibility: If there are inconsistencies between different versions of SAP components or custom code, it may lead to unexpected behavior.
  Database Issues: Problems with the underlying database, such as locks or inconsistencies, can also lead to this error.
  
  Solutions:
  
  Check Custom Code: If the error occurs in a custom program, review the ABAP code for any logical errors, especially in the handling of internal tables. Ensure that the code properly initializes and populates the internal tables before accessing them.
  Data Validation: Validate the data being processed to ensure it is not corrupted or in an unexpected format. This may involve checking the source of the data and any transformations applied.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact line or operation causing the issue.
  Memory Management: If the internal table is large, consider optimizing memory usage. This may involve breaking down the data into smaller chunks or using more efficient data structures.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be known issues or fixes provided by SAP.
  System Logs: Review system logs (transaction SM21) and short dumps (transaction ST22) for additional context or related errors that may provide more insight into the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE38 (ABAP Editor), and ST22 (Dump Analysis) for debugging and analysis.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to internal tables and error handling in ABAP for best practices and guidelines.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.