How To Fix CNV_MBT_CR021 - Modification of program &1 failed.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_CR - Checking Rules and Global Parameters

• Message number: 021

• Message text: Modification of program &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.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_CR021 - Modification of program &1 failed. ?

  The SAP error message CNV_MBT_CR021 indicates that there was a failure in modifying a program, specifically the program identified by &1. This error typically occurs during data migration or conversion processes, often related to the SAP S/4HANA Migration Cockpit or other data migration tools.
  Causes:
  
  Authorization Issues: The user executing the migration may not have the necessary authorizations to modify the program.
  Program Locking: The program might be locked by another user or process, preventing modifications.
  Syntax Errors: There may be syntax errors or issues in the program code that prevent it from being modified.
  Transport Issues: If the program is part of a transport request, there may be issues with the transport itself.
  System Configuration: There could be configuration issues in the SAP system that affect program modifications.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to modify the program. This can be done by checking the user's roles and authorizations in the SAP system.
  Unlock the Program: If the program is locked, identify the user or process that has locked it and resolve the locking issue.
  Review Program Code: If you have access to the program, review the code for any syntax errors or issues that may prevent modification.
  Check Transport Requests: If the program is part of a transport request, ensure that the transport is correctly configured and that there are no issues with the transport system.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or information that may provide context for the failure.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE80 (Object Navigator) or SE38 (ABAP Editor) to investigate the program further.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant details about the context in which it occurred.
  Documentation: Review the documentation for the specific migration tool or process you are using, as it may contain troubleshooting steps or best practices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.