Enter a function module that can be called by RFC

What causes this issue?

You attempted to generate an RFC stub for a function module. However,
this is possible only for remotely called modules.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use the <LS>Administration</> function of the Function Builder to
change the process type to 'Remote Function Call supported'.

Error message extract from SAP system. Copyright SAP SE.