How To Fix CNV_MBT_SHELL043 - Control file modified with EXCTB data: File &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 043

• Message text: Control file modified with EXCTB data: File &

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 CNV_MBT_SHELL043 - Control file modified with EXCTB data: File & ?

  The SAP error message CNV_MBT_SHELL043 typically indicates that there is an issue with the control file used in a data migration or conversion process, specifically related to the EXCTB (External Table) data. This error suggests that the control file has been modified in a way that is not compatible with the expected format or structure.
  Cause:
  
  File Modification: The control file may have been manually edited or altered, leading to inconsistencies or errors in the expected format.
  Incorrect Data Format: The data within the control file may not match the expected structure or data types required by the migration process.
  Version Mismatch: There may be a version mismatch between the tools or components being used for the migration, leading to incompatibility with the control file.
  Corruption: The control file could be corrupted due to incomplete transfers, network issues, or other file handling errors.
  
  Solution:
  
  Restore Original Control File: If the control file was modified, try to restore it from a backup or revert to the original version that was known to work.
  Validate Control File Structure: Check the structure and format of the control file to ensure it adheres to the expected specifications. This includes verifying field delimiters, data types, and any required headers.
  Check for Compatibility: Ensure that the version of the migration tools and the control file are compatible. If there are updates or patches available, consider applying them.
  Review Logs: Look at the logs generated during the migration process for any additional error messages or warnings that could provide more context about the issue.
  Test with Sample Data: If possible, create a small sample control file with known good data to test the migration process. This can help isolate whether the issue is with the control file or the data itself.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool or process you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to the CNV_MBT_SHELL043 error.
  Migration Tools: Familiarize yourself with the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their requirements for control files.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.