How To Fix CNV_DMC_WDA139 - Cannot open migration object; refresh this web page and try again

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 139

• Message text: Cannot open migration object; refresh this web page and try again

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_WDA139 - Cannot open migration object; refresh this web page and try again ?

  The SAP error message CNV_DMC_WDA139 indicates that there is an issue with opening a migration object in the Data Migration Cockpit (DMC) or during a data migration process. This error can occur for various reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  Session Timeout: The session may have timed out, leading to the inability to access the migration object.
  Network Issues: Temporary network issues can prevent the application from retrieving the necessary data.
  Browser Cache: Cached data in the web browser may cause conflicts or issues when trying to load the migration object.
  Authorization Issues: The user may not have the necessary authorizations to access the migration object.
  Backend Issues: There may be issues with the backend system or the migration object itself, such as it being locked or not properly configured.
  
  Solutions:
  
  Refresh the Page: As suggested in the error message, try refreshing the web page. This can resolve temporary issues.
  Clear Browser Cache: Clear the cache and cookies of your web browser to eliminate any conflicts caused by old data.
  Check Network Connection: Ensure that your network connection is stable and that there are no interruptions.
  Re-login: Log out of the system and log back in to refresh your session.
  Check Authorizations: Verify that you have the necessary authorizations to access the migration object. Consult with your SAP security team if needed.
  Check Backend System: If the issue persists, check the backend system for any errors or locks on the migration object. You may need to consult with your SAP Basis team or system administrator.
  Use a Different Browser: Sometimes, switching to a different web browser can help resolve compatibility issues.
  
  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 official SAP documentation for the Data Migration Cockpit for any specific guidelines or troubleshooting tips related to migration objects.
  
  If the problem persists after trying these solutions, it may be necessary to escalate the issue to SAP support for further assistance.