Message type: E = Error
Message class:  CNV_OR_PS - Messages for package CNV_OR_PS (preselection remote comp.) 
Message number: 108
Message text: Error - missing RFC authorizations
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The SAP error message CNV_OR_PS108 indicates that there are missing Remote Function Call (RFC) authorizations for a user when trying to execute a specific operation, typically related to data migration or conversion processes. This error is often encountered during the execution of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: The error occurs due to insufficient authorizations for the user executing the operation. This can happen if: The user does not have the necessary roles assigned that include the required RFC authorizations. The RFC destination being used does not have the correct authorizations set up for the user. There are restrictions in place that prevent the user from executing certain functions remotely.
Solution: To resolve the CNV_OR_PS108 error, follow these steps: Check User Roles and Authorizations: Verify that the user has the appropriate roles assigned. This can be done by checking the user’s profile in transaction SU01. Ensure that the roles include
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