How To Fix CNV_MBT_SHELL057 - Generation code MODEL error; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 057

• Message text: Generation code MODEL error; see long text

What causes this issue?

Code is generated using a delivered subprogram include called "
<ZH>CNV_MBT_SHELL_OPEN_DS_MODEL</>". This could not be found.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Contact SAP for support.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_SHELL057 - Generation code MODEL error; see long text ?

  The SAP error message CNV_MBT_SHELL057 typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the generation of the code model, which is essential for the migration process.
  Cause:
  The error can be caused by several factors, including:
  
  Missing or Incomplete Configuration: The migration project may not be properly configured, leading to issues in generating the necessary code models.
  Data Model Issues: There may be inconsistencies or errors in the data model that prevent the generation of the code.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the actions required.
  Technical Issues: There could be underlying technical issues, such as missing transport requests or problems with the underlying database.
  
  Solution:
  To resolve the CNV_MBT_SHELL057 error, you can follow these steps:
  
  
  Check Configuration: Ensure that all necessary configurations for the migration project are complete and correct. Review the settings in the Migration Cockpit or the relevant transaction.
  
  
  Review Long Text: The error message often comes with a long text that provides more details about the specific issue. Check the long text for any additional information that can guide you in troubleshooting.
  
  
  Validate Data Model: Review the data model for any inconsistencies or errors. Ensure that all required fields and structures are correctly defined.
  
  
  Check Authorizations: Verify that the user executing the migration has the necessary authorizations to perform the migration tasks. This may involve checking roles and permissions in the SAP system.
  
  
  Technical Checks: Look for any technical issues, such as missing transport requests or database inconsistencies. You may need to consult with your technical team or SAP Basis team for assistance.
  
  
  Consult SAP Notes: Search for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Logs and Traces: Check the logs and traces for more detailed error messages that can provide insight into what went wrong during the code generation process.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error details and any relevant logs.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for more detailed guidance.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Training and Resources: Consider training resources or workshops on data migration in SAP to better understand the processes and potential pitfalls.
  
  By following these steps, you should be able to identify and resolve the CNV_MBT_SHELL057 error effectively.