Message type: E = Error
Message class:  CNV_20211_CHECK - Messages for check functions (company conversion) 
Message number: 022
Message text: All source companies exist
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The SAP error message CNV_20211_CHECK022 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system has detected an issue related to the existence of source companies in the migration process.
Cause: The error message CNV_20211_CHECK022 suggests that the migration process is attempting to reference source companies that do not exist in the target system. This can happen due to several reasons: Missing Company Codes: The company codes that are supposed to be migrated may not have been created in the target system. Incorrect Configuration: There may be a misconfiguration in the migration settings, leading to the system looking for non-existent company codes. Data Consistency Issues: The source data may have inconsistencies or errors that prevent the migration tool from recognizing the company codes.
Solution: To resolve the error CNV_20211_CHECK022, you can follow these steps: Verify Company Codes: Check the source system to ensure
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