How To Fix CNV_CMIS_U_20043 - Failed to read backup of table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_U_20 - CMIS Upg: Messages from XPRA functions

• Message number: 043

• Message text: Failed to read backup of table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_U_20043 - Failed to read backup of table &1 ?

  The SAP error message CNV_CMIS_U_20043 indicates that there was a failure in reading the backup of a specific table during a data migration or conversion process. This error is typically associated with the SAP Conversion and Migration tools, particularly in the context of the SAP S/4HANA migration or data transfer processes.
  Cause:
  The error can be caused by several factors, including:
  
  Backup File Issues: The backup file for the specified table may be missing, corrupted, or not accessible due to permission issues.
  Database Connectivity: There may be issues with the database connection, preventing the system from accessing the backup.
  Configuration Errors: Incorrect configuration settings in the migration tool or the system can lead to this error.
  Table Locking: The table might be locked by another process, preventing access to the backup.
  Version Compatibility: There may be compatibility issues between the source and target systems or versions of the migration tools.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Backup Availability: Ensure that the backup file for the specified table exists and is not corrupted. If it is missing, you may need to recreate the backup.
  Verify Permissions: Check the permissions for the backup file and ensure that the user executing the migration has the necessary access rights.
  Database Connection: Verify that the database connection is active and functioning correctly. Test the connection to ensure there are no issues.
  Review Configuration: Check the configuration settings in the migration tool to ensure they are set up correctly for the migration process.
  Check for Locks: Investigate if the table is locked by another process. You can use database tools or transaction codes (like SM12) to check for locks.
  Consult Logs: Review the logs generated during the migration process for any additional error messages or warnings that could provide more context.
  SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently updates its documentation with solutions for known issues.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurred and any relevant logs.
  Documentation: Review the official SAP documentation related to the migration tools you are using, as it may contain specific troubleshooting steps or best practices.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_CMIS_U_20043 error effectively.