How To Fix CNV_DMC_MC_EXCEPTION221 - Cannot display migration object; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 221

• Message text: Cannot display migration object; see long text

What causes this issue?

This migration object belongs to a project that was created in a
different client (client &V1&). It is not possible to display the
migration object in the current client.

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

How to fix this error?

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_DMC_MC_EXCEPTION221 - Cannot display migration object; see long text ?

  The SAP error message CNV_DMC_MC_EXCEPTION221 typically occurs during the data migration process using the SAP Data Migration Cockpit (DMC). This error indicates that there is an issue with displaying a migration object, which can be caused by various factors. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Missing or Incomplete Configuration: The migration object may not be properly configured or may be missing necessary settings.
  Authorization Issues: The user may not have the required authorizations to access the migration object.
  Data Model Issues: There could be inconsistencies or issues in the data model that prevent the migration object from being displayed.
  Technical Errors: There may be underlying technical issues, such as database connectivity problems or system configuration errors.
  Version Compatibility: The version of the migration object may not be compatible with the current system version.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the migration object to ensure that all necessary parameters are set correctly.
  User Authorizations: Verify that the user has the appropriate authorizations to access and display the migration object. This may involve checking roles and permissions in the SAP system.
  Review Data Model: Investigate the data model for any inconsistencies or errors that could be affecting the migration object. This may involve checking for missing fields or incorrect data types.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Technical Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide patches or updates that address the problem.
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for any specific notes or guidelines related to the error.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other online resources where users may have discussed similar issues and solutions.
  Migration Object Documentation: Review the documentation for the specific migration object you are working with to ensure that you are following the correct procedures.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it. If the problem continues, engaging with SAP support may be necessary for more in-depth troubleshooting.