Message type: E = Error
Message class:  CNVMBTRFC - Messages used in RFC Management and its objects 
Message number: 044
Message text: Connection to destination &1 failed.
With the given destination in import parameter ip_destination_id a
connection to the system addressed in that destination failed. The
reasons could be that the system is not available, the name or password
is not correct, the function module does not exist in the system or
others.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNVMBTRFC044 indicates that there is a failure in establishing a connection to a specified destination (denoted by &1). This error typically occurs in the context of Remote Function Calls (RFC) when the system is trying to connect to another SAP system or an external system. Causes: Incorrect Destination Configuration: The RFC destination may not be configured correctly in the SAP system. Network Issues: There may be network connectivity issues between the SAP systems. Authorization Issues: The user credentials used for the connection may not have the necessary authorizations. Service Not Running: The target system or service may not be running or may be down. Firewall Restrictions: Firewalls may be blocking the connection between the systems. SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured. Solutions: Check RFC Destination Configuration: Go to transaction SM59 and check the configuration of the RFC destination that is failing. Ensure that the connection type is correct
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