Message type: E = Error
Message class:  CNV_MBT - PCL message class 
Message number: 468
Message text: Substate write failed for session &
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The SAP error message CNV_MBT468 with the description "Substate write failed for session &" typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was a failure in writing the substate information for a specific session, which can be caused by various factors. Possible Causes: Database Issues: There may be issues with the database, such as locks, insufficient space, or connectivity problems. Authorization Problems: The user executing the migration may not have the necessary authorizations to write to the database or specific tables. Session Management: The session might be in an inconsistent state or not properly initialized. Data Consistency: There could be issues with the data being migrated, such as invalid entries or data format mismatches. Technical Errors: Bugs or technical issues in the migration tool or related components. Solutions: Check Database Status: Ensure that the database is up and running without any locks
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