Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 351
Message text: Error in CNV_20551_KOMBI1: CONVFUNC=&1, NR=&2
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message CNV20551351, which occurs in the context of the conversion program CNV_20551_KOMBI1, typically indicates an issue during data conversion or migration processes. This error message is part of the SAP Conversion Tools, often used during system upgrades or migrations.
Cause: The error message CNV20551351 can be caused by several factors, including: Data Inconsistencies: There may be inconsistencies or unexpected values in the data being processed, which the conversion function cannot handle.
Configuration Issues: Incorrect configuration settings in the conversion program or related settings in the SAP system. Missing or Incorrect Mapping: The mapping of fields or data types may not be correctly defined, leading to conversion failures. Function Module Issues: The conversion function (CONVFUNC) specified in the error may not be implemented correctly or may have bugs.
Solution: To resolve the CNV20551351 error, you can take the following steps: Check Logs: Review the detailed logs generated during the conversion process. Look for any preceding error messages
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