Message type: E = Error
Message class:  CNV_CMIS_A_20_FUNC - Message texts for CNV_CMIS_A_20 function modules 
Message number: 001
Message text: Domain &1 does not exist; enter a valid domain
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The SAP error message CNV_CMIS_A_20_FUNC001 with the description "Domain &1 does not exist; enter a valid domain" typically occurs in the context of data conversion or migration processes, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that the system is trying to reference a domain that is not defined or does not exist in the SAP system.
Cause: Non-existent Domain: The domain specified in the error message does not exist in the SAP system. This could be due to a typo or an incorrect domain name being used. Missing Configuration: The domain may not have been created or configured properly in the system. Transport Issues: If the domain was supposed to be transported from another system, it may not have been included in the transport request. System Version: The domain may exist in a different version of SAP or in a different client.
Solution: Verify Domain Name: Check the domain name specified
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