How To Fix CNV_10020138 - Internal error: Initialization of internal table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 138

• Message text: Internal error: Initialization of internal table &1 failed

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 CNV_10020138 - Internal error: Initialization of internal table &1 failed ?

  The SAP error message CNV_10020138 Internal error: Initialization of internal table &1 failed typically indicates an issue related to the internal processing of a conversion or migration program, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  
  Memory Issues: The error may occur due to insufficient memory allocation for the internal table being initialized. This can happen if the system is under heavy load or if there are memory constraints.
  Data Volume: If the data volume being processed is too large, it may exceed the limits of the internal table.
  Configuration Issues: Incorrect configuration settings in the migration or conversion tool can lead to initialization failures.
  Program Bugs: There may be bugs or issues in the specific version of the migration program being used.
  
  Solution:
  
  Check System Resources: Ensure that the system has adequate memory and resources available. Monitor the system performance and consider increasing the memory allocation if necessary.
  Reduce Data Volume: If possible, try to reduce the volume of data being processed in a single run. This can be done by splitting the data into smaller batches.
  Review Configuration: Double-check the configuration settings of the migration tool to ensure they are set up correctly. Look for any parameters that may need adjustment.
  Update Software: Ensure that you are using the latest version of the migration tool and that all relevant patches have been applied. Check SAP Notes for any known issues related to the error.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the initialization is failing. This may require assistance from a developer or SAP support.
  SAP Support: If the issue persists, consider reaching out to SAP Support with the error details, including the context in which the error occurred, to get more specific guidance.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LTMC (for Migration Cockpit) or LSMW (Legacy System Migration Workbench).
  Documentation: Review the official SAP documentation for the migration tool you are using to ensure that you are following the recommended procedures and best practices.
  
  By following these steps, you should be able to diagnose and resolve the error CNV_10020138 effectively.