Message type: E = Error
Message class:  CNV_10996 - Messages for archive conversion 
Message number: 028
Message text: Error during update/modify to table &1.
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The SAP error message CNV_10996028 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was an issue while trying to update or modify a specific database table (denoted by &1 in the error message).
Cause: The error can be caused by several factors, including but not limited to: Data Integrity Issues: The data being migrated may violate constraints or rules defined in the target table, such as primary key or foreign key constraints. Data Type Mismatches: The data types of the source and target fields may not match, leading to conversion errors. Missing Required Fields: Required fields in the target table may not be populated in the incoming data. Locking Issues: The table may be locked by another process, preventing updates. Authorization Issues: The user executing the migration may not have the necessary permissions to modify the target table. Custom Code
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