Message type: E = Error
Message class:  CNV10310 - Message class for development class CNV_10310 
Message number: 012
Message text: Table & is not defined
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The SAP error message CNV10310012 typically indicates that a specific table is not defined in the system during a data migration or conversion process. This error is often encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: Missing Table Definition: The table that is referenced in the error message is not defined in the system. This could be due to: The table not being created in the database. The table being part of a package that has not been imported or activated. The table being part of a custom development that has not been properly transported to the target system. Incorrect Configuration: The migration or conversion process may be incorrectly configured, leading to references to non-existent tables. Version Mismatch: The version of the migration tool or the source system may not be compatible with the target system, leading to missing definitions.
Solution: Check Table Existence: Verify if
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