How To Fix CNV_DMC_WDA130 - Cannot open migration object; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 130

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

What causes this issue?

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?

There is an issue with a custom field that is part of this migration
object. If there is more than one field in the source structure mapped
to one single structure in the target system, then this is an error. If
this is the case, proceed as follows:
?,,For SAP S/4HANA Cloud systems, either remove the custom field, or
contact SAP for support.
?,,For SAP S/4HANA systems, you can use transaction LTMOM to either
correct the mapping for the source fields, or remove the custom field.

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_WDA130 - Cannot open migration object; see long text ?

  The SAP error message CNV_DMC_WDA130 indicates that the system is unable to open a migration object during a data migration process. This error is typically encountered in the context of SAP Data Migration Cockpit (DMC) or during the execution of a migration project.
  Cause:
  The error can be caused by several factors, including:
  
  Missing or Incomplete Migration Object: The migration object you are trying to access may not exist or may not be fully defined in the system.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the migration object.
  Technical Issues: There may be technical issues such as database connectivity problems or inconsistencies in the migration object configuration.
  Incorrect Configuration: The migration object may not be correctly configured or may have been deleted or modified improperly.
  
  Solution:
  To resolve the CNV_DMC_WDA130 error, you can take the following steps:
  
  
  Check Migration Object:
  
  Verify that the migration object exists in the system. You can do this by navigating to the relevant transaction or using the Data Migration Cockpit to check the list of available migration objects.
  Ensure that the migration object is correctly defined and configured.
  
  
  
  Review Authorizations:
  
  Check the user authorizations to ensure that the user has the necessary permissions to access the migration object. You may need to consult with your SAP security team to verify and adjust the authorizations.
  
  
  
  Check Logs and Long Text:
  
  Review the long text associated with the error message for additional details. This can provide more context on what specifically is causing the issue.
  Check the application logs (transaction SLG1) for any related error messages that might give more insight into the problem.
  
  
  
  Technical Checks:
  
  Ensure that there are no technical issues such as database connectivity problems. You can check the system logs for any related errors.
  If you suspect a technical issue, consider restarting the relevant services or checking for any system updates or patches that may need to be applied.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or notes related to the Data Migration Cockpit and the specific migration object you are working with. There may be specific guidelines or troubleshooting steps provided by SAP.
  
  
  
  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 message details and any relevant logs or screenshots to help them diagnose the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the SAP Help Portal for documentation related to the Data Migration Cockpit and migration objects.
  
  By following these steps, you should be able to identify and resolve the issue causing the CNV_DMC_WDA130 error.