Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 335
Message text: Write values for PCDHDR-OBJECTCLAS to CNV_20551_OBJCL:
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The SAP error message CNV20551335 indicates that there is an issue related to the conversion of data, specifically concerning the PCDHDR (Process Control Data Header) table and the OBJECTCLAS field. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
Cause: The error occurs when the system expects values for the OBJECTCLAS field in the PCDHDR table but does not find them. This can happen due to several reasons: Missing Data: The required data for the OBJECTCLAS field is not present in the source data. Incorrect Mapping: The mapping configuration for the data migration might be incorrect, leading to the absence of values in the target table. Data Format Issues: The data being migrated may not conform to the expected format or structure, causing the system to reject it.
Solution: To resolve this error, you can take the following steps: Check Source Data: Verify that the source data contains valid entries
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