How To Fix WA674 - Receiver type determination func. mod. &: Parameter & is not optional

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 674

• Message text: Receiver type determination func. mod. &: Parameter & is not optional

What causes this issue?

The specified parameter of the specified function module for
determining the receiver type is not optional. Since it is not filled
when SWE_EVENT_CREATE is called, this is not allowed.

System Response

The action was terminated, the event was not triggered.

How to fix this error?

Define the specified parameter as optional and assign it a standard
value.

Error message extract from SAP system. Copyright SAP SE.