Remote function call module exception (&1) was raised in the backend.

What causes this issue?

The remote function call module raised an exception in the backend.

System Response

The process has been terminated.

How to fix this error?

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

Procedure for System Administrators

In the backend system, go to the related remote function call module,
and from the <ZK><ZH>Exception</></> tab, check the exceptions and
their meanings.

Error message extract from SAP system. Copyright SAP SE.