Function module & for car benefit calculation does not exist.

What causes this issue?

You marked 'calculate benefits'. In order to be able to calculate
benefits, the function module & has to be maintained for your country.
As this function module does not exist, the calculation could not be
performed.

System Response

System rejected calculation of benefits.

How to fix this error?

Maintain the values manually.

Procedure for System Administrators

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.