How To Fix CNV_DMC_WDA060 - Cannot deactivate the migration object; data exists in the staging tables

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 060

• Message text: Cannot deactivate the migration object; data exists in the staging tables

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?

Empty all the associated staging tables for the migration object before
deactivating it.

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_WDA060 - Cannot deactivate the migration object; data exists in the staging tables ?

  The SAP error message CNV_DMC_WDA060 indicates that you are trying to deactivate a migration object in the Data Migration Cockpit (DMC) while there is still data present in the staging tables associated with that migration object. This situation typically arises during data migration processes where data is staged before being transferred to the target system.
  Cause:
  The primary cause of this error is that the migration object you are attempting to deactivate has associated data that has not yet been processed or cleared from the staging tables. The system prevents deactivation to ensure data integrity and to avoid losing any data that has not been fully migrated or processed.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Staging Tables: 
  
  Identify the staging tables associated with the migration object. You can usually find this information in the migration cockpit or documentation related to the specific migration object.
  Use transaction codes like SE11 or SE16 to view the contents of the staging tables.
  
  
  
  Clear Staging Data:
  
  If the data in the staging tables is no longer needed, you can delete it. This can typically be done through the Data Migration Cockpit or directly in the database (ensure you have the necessary authorizations and backup).
  If the data is needed, consider processing it before attempting to deactivate the migration object.
  
  
  
  Process Remaining Data:
  
  If there are records in the staging tables that need to be migrated, ensure that you complete the migration process for those records before attempting to deactivate the migration object.
  
  
  
  Retry Deactivation:
  
  Once the staging tables are cleared or the data has been processed, you can attempt to deactivate the migration object again.
  
  
  
  Related Information:
  
  Migration Cockpit: The Data Migration Cockpit is a tool provided by SAP to facilitate the migration of data from legacy systems to SAP systems. It includes various migration objects that represent different data types and structures.
  Staging Tables: These are temporary tables used to hold data during the migration process. They allow for data validation and transformation before the final load into the target tables.
  Data Integrity: It is crucial to maintain data integrity during migration processes. Always ensure that data is properly handled and that no necessary data is lost during deactivation or deletion processes.
  
  If you continue to face issues or if the situation is complex, consider reaching out to your SAP support team or consulting the SAP community for further assistance.