Message type: E = Error
Message class:  CNV_MBT_46 - PCL message class 
Message number: 449
Message text: Field does not exist in the table
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The SAP error message CNV_MBT_46449 typically indicates that a specific field referenced in a conversion or migration process does not exist in the specified table. This error is often encountered during data migration activities, particularly when using SAP's Migration Cockpit or other data transfer tools.
Cause: Field Name Mismatch: The field name specified in the migration or conversion process does not match any field in the target table. This could be due to a typo or an incorrect field name. Table Structure Changes: The structure of the target table may have changed (e.g., fields added, removed, or renamed) since the migration plan was created. Incorrect Mapping: The mapping configuration for the migration may be incorrect, leading to references to non-existent fields. Version Compatibility: The version of the source or target system may not support the field being referenced, especially if the migration is being done between different versions of SAP.
Solution: Verify Field Existence: Check the target
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