How To Fix CNV20305005 - Backup of table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 005

• Message text: Backup of table &1

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 CNV20305005 - Backup of table &1 ?

  The SAP error message CNV20305005 typically relates to issues encountered during the backup of a specific database table in the context of data migration or conversion processes, often associated with SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit.
  Cause:
  The error message CNV20305005 indicates that there was a failure in backing up the specified table (&1 represents the name of the table). Common causes for this error can include:
  
  Database Locking Issues: The table may be locked by another process, preventing the backup from being completed.
  Insufficient Permissions: The user executing the backup may not have the necessary permissions to perform the operation on the specified table.
  Disk Space Issues: There may not be enough disk space available to create the backup.
  Database Corruption: There could be underlying issues with the database that are preventing the backup from being created.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to backup failures.
  
  Solution:
  To resolve the CNV20305005 error, you can take the following steps:
  
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the table. If there are locks, you may need to wait for the other processes to complete or manually release the locks if appropriate.
  
  
  Verify Permissions: Ensure that the user executing the backup has the necessary authorizations to access and back up the table. You may need to consult with your SAP Basis or security team.
  
  
  Check Disk Space: Verify that there is sufficient disk space on the database server. If space is low, consider cleaning up unnecessary files or increasing disk capacity.
  
  
  Database Health Check: Perform a health check on the database to identify any corruption or issues. This may involve running database-specific tools or commands to check for integrity.
  
  
  Review Configuration: Check the configuration settings related to backups in both the SAP system and the database. Ensure that they are set up correctly.
  
  
  Consult Logs: Review the application and database logs for more detailed error messages that can provide additional context on the failure.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance, especially if it appears to be a more complex issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM21 (System Log), and ST22 (Dump Analysis) to gather more information about the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation related to data migration and backup processes for best practices and guidelines.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the CNV20305005 error.