How To Fix CNV_DMC_WDA136 - Action not possible; choose ôRestart Transferö button to restart transfer

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 136

• Message text: Action not possible; choose ôRestart Transferö button to restart transfer

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_WDA136 - Action not possible; choose ôRestart Transferö button to restart transfer ?

  The SAP error message CNV_DMC_WDA136 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or related tools. This error indicates that an action could not be completed, and it suggests that the user should choose the "Restart Transfer" button to attempt the operation again.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Network Issues: Temporary network disruptions can interrupt the data transfer process.
  System Performance: High load on the SAP system or database can lead to timeouts or failures in data processing.
  Data Integrity Issues: Problems with the data being transferred, such as format issues or missing required fields, can cause the transfer to fail.
  Configuration Errors: Incorrect settings in the migration cockpit or related tools may lead to this error.
  Locks or Conflicts: If the data being transferred is locked by another process, it can prevent the transfer from completing.
  
  Solution:
  To resolve the CNV_DMC_WDA136 error, you can follow these steps:
  
  Restart Transfer: Click the "Restart Transfer" button as suggested in the error message. This may resolve temporary issues.
  Check Logs: Review the logs for more detailed error messages that can provide insights into what went wrong. Look for any specific error codes or messages that can guide troubleshooting.
  Network Stability: Ensure that your network connection is stable and that there are no interruptions during the transfer process.
  System Performance: Monitor the performance of the SAP system and database. If the system is under heavy load, consider scheduling the transfer during off-peak hours.
  Data Validation: Validate the data being transferred to ensure it meets all required formats and constraints. Check for any missing or incorrect data.
  Configuration Review: Review the configuration settings in the migration cockpit to ensure they are correct and aligned with the data being migrated.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the data being transferred. If locks are found, resolve them before attempting the transfer again.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on data migration.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to address the CNV_DMC_WDA136 error and successfully complete your data transfer.