Message type: E = Error
Message class:  CNVMBTRFC - Messages used in RFC Management and its objects 
Message number: 109
Message text: Following message refers to destination of target &1 in Control System
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The SAP error message CNVMBTRFC109 typically occurs in the context of a system conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the destination of the target system specified in the control system.
Cause: The error message CNVMBTRFC109 usually arises due to one or more of the following reasons: Incorrect Configuration: The target system's destination configuration in the control system may be incorrect or incomplete. Network Issues: There may be network connectivity issues between the control system and the target system. Authorization Issues: The user credentials used to connect to the target system may not have the necessary authorizations. RFC Destination Issues: The RFC (Remote Function Call) destination for the target system may not be properly set up or may be inactive. System Availability: The target system may be down or not reachable at the time of the operation.
Solution: To resolve the CNVMBTRFC109
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