How To Fix CNV_DMC_WDA065 - Error while synchronizing the staging tables with the migration object

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 065

• Message text: Error while synchronizing the staging tables with the migration object

What causes this issue?

The possible reasons for the error are as follows#
Data exists in the staging tables.
The migration object is locked.

System Response

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?

For the possible causes as indicated above, do the following and try
again:
Empty the staging tables.
If you are using any backend tools for the migration object, close the
tool to prevent the migration object from being locked.
If the error still exists and you are using the on-premise system, you
can check the details of the error in the system log.

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_WDA065 - Error while synchronizing the staging tables with the migration object ?

  The SAP error message CNV_DMC_WDA065 typically occurs during the data migration process when there is an issue synchronizing the staging tables with the migration object. This error is part of the SAP Data Migration Cockpit (DMC) and can arise due to various reasons. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being migrated, such as missing mandatory fields or incorrect data formats.
  Staging Table Issues: The staging tables may not be properly populated or may contain errors that prevent synchronization.
  Configuration Errors: Incorrect configuration of the migration object or the data migration process can lead to synchronization issues.
  Database Locking: If the staging tables are locked by another process, it can prevent synchronization.
  Version Mismatch: There may be a mismatch between the versions of the migration object and the data in the staging tables.
  
  Solutions:
  
  Check Data Quality: Review the data in the staging tables for any inconsistencies or errors. Ensure that all mandatory fields are filled and that the data formats are correct.
  Repopulate Staging Tables: If the staging tables are found to be incorrect, consider repopulating them with the correct data.
  Review Configuration: Verify the configuration settings for the migration object to ensure they are set up correctly.
  Release Locks: Check for any database locks on the staging tables and release them if necessary. You can use transaction codes like SM12 to check for locks.
  Check Logs: Review the logs for more detailed error messages that can provide insights into the specific issue causing the synchronization failure.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on troubleshooting steps.
  
  Related Information:
  
  SAP Data Migration Cockpit (DMC): Familiarize yourself with the DMC and its components, as understanding how it works can help in troubleshooting.
  Transaction Codes: Use transaction codes like SLG1 (Application Log) to check for logs related to the migration process.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for detailed guidance on migration processes and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.