Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 383
Message text: Table field & is missing in DDIC (exists neither in DD03L nor in DD016S)
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The SAP error message CNV20551383 indicates that a specific table field is missing in the Data Dictionary (DDIC). This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades.
Cause: Field Not Defined: The field referenced in the error message does not exist in the Data Dictionary. This could be due to: The field was never created in the database. The field was deleted or renamed in a previous system upgrade or modification. The field is part of a custom development that has not been properly transported to the target system. Incorrect Mapping: During data migration, the mapping of fields from the source to the target system may be incorrect, leading to references to non-existent fields. Version Mismatch: If the source and target systems are on different versions of SAP, certain fields may exist in one version but not in another.
Solution: Check Data Dictionary: Verify if the field
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