How To Fix CNV_DMC_WDA057 - Cannot delete the project; migration objects with data remain

CNV_DMC_WDA057 - Overview

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 057

• Message text: Cannot delete the project; migration objects with data remain

What causes this issue?

If data exists in the staging tables of any migration object in the
project, the project cannot be deleted.

System Response

Migration objects without data are deleted and their status are changed
to Not Started. Migration objects with data remain with the status In
Process.

How to fix this error?

To delete the project, delete the data in the staging tables of
migration objects with the status In Process.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CNV_DMC_WDA057 - Details

• The SAP error message CNV_DMC_WDA057 indicates that you are trying to delete a migration project, but there are still migration objects associated with that project that contain data. This is a common issue when working with SAP Data Migration Cockpit (DMC) or similar tools, where the system prevents the deletion of a project to ensure data integrity.
  
  Cause:
  The primary cause of this error is that there are migration objects within the project that have already been populated with data. The system does not allow the deletion of a project if it still has associated data, as this could lead to inconsistencies or loss of important information.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Migration Objects: 
  
  Go to the migration project in the SAP Data Migration Cockpit.
  Identify the migration objects that are still holding data.
  
  
  
  Delete Data from Migration Objects:
  
  If you no longer need the data in those migration objects, you can