Message type: E = Error
Message class:  CNV_OM_PRESEL - Messages for LT Object Based Preselection 
Message number: 010
Message text: RFC Error: &1
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message CNV_OM_PRESEL010 RFC Error: &1 typically indicates an issue with Remote Function Call (RFC) communication between systems in the context of a data migration or conversion process, often related to the SAP S/4HANA migration or other data transfer scenarios.
Cause: Network Issues: There may be network connectivity problems between the source and target systems. RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system. This includes incorrect parameters or missing entries in the RFC destination settings. Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to perform the requested operation. System Availability: The target system may be down or not reachable at the time of the RFC call. Version Compatibility: There may be compatibility issues between the systems involved, especially if they are running different versions of SAP.
Solution: Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You
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