How To Fix CNV_00001621 - Selected tables removed from backup

CNV_00001621 - Overview

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 621

• Message text: Selected tables removed from backup

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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CNV_00001621 - Details

• The SAP error message CNV_00001621 indicates that certain tables have been removed from the backup during a data migration or conversion process. This message is part of the SAP Conversion and Migration tools, often used in scenarios like system upgrades, data migrations, or when using the SAP S/4HANA Migration Cockpit.
  
  Cause:
  The error typically arises due to one or more of the following reasons:
  
  
  Configuration Issues: The configuration settings for the migration or conversion process may not be set correctly, leading to the exclusion of certain tables from the backup.
  Data Integrity Checks: The system may have identified that certain tables do not meet the required criteria for backup, possibly due to data integrity issues or inconsistencies.
  Manual Exclusions: Tables may have been manually excluded from the backup process by a user or administrator.
  Technical Limitations: There may be technical limitations or restrictions in the migration tool that prevent certain tables from being backed up.
  
  
  Solution:
  To resolve