Message type: E = Error
Message class:  CNV_20900 - Message class for package CNV_20900 
Message number: 165
Message text: Vendor &1: contact person adapted
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The SAP error message CNV_20900165 typically relates to issues encountered during data migration or conversion processes, particularly when dealing with vendor master data. The message indicates that there has been an adaptation or change to the contact person associated with a vendor.
Cause: Data Migration Issues: This error often arises during data migration activities, especially when using tools like SAP S/4HANA Migration Cockpit or other data transfer methods. Inconsistent Data: The contact person information for the vendor may not be consistent or may have been altered in the source system, leading to discrepancies during the migration. Missing Data: The contact person details might be missing or incorrectly formatted in the source data.
Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the data being migrated.
Solution: Check Source Data: Review the source data for the vendor and ensure that the contact person information is complete and correctly formatted. Data Mapping: Ensure
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