Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 085
Message text: Object type &1, OBART=&2: Check field &3 does not exist in DDIC
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The SAP error message CNV20551085 typically indicates that there is an issue related to a specific object type in the Data Dictionary (DDIC) where a field that is expected to exist does not. This error is often encountered during data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation.
Cause: Missing Field in DDIC: The primary cause of this error is that the field specified in the error message does not exist in the Data Dictionary for the specified object type and object category (OBART). Incorrect Mapping: There may be an issue with the mapping of fields during a data migration process, where the source data references a field that is not defined in the target system's Data Dictionary. Version Mismatch: If the source and target systems are on different versions of SAP, certain fields may have been added or removed, leading to discrepancies. Custom Development: If the object type
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