Exceptions are way to communicate effectiently to the caller about something went wrong. So, the caller of the FM or method, would process them accordingly. Checkout all post related to Exception Raising & handling:

In the last post , we have seen how system take care of the obligatory parameters even though the calling program doesn’t pass it to the RFC FM. Why does system needs to do that: Error handling. RFC FM can be called from outside SAP application also. If we don’t pass the obligatory parameters, it…

Parameter Passing in the RFC Function Module Calls Today we will discuss how system take care of the obligatory parameter passing in the RFC function module. Generally, when we call the FM without passing the obligatory parameter, system would raise the exception CALL_FUNCTION_PARM_MISSING and would lead to run time error. Now, when we call the…