How To Fix WA673 - Receiver type determination FM &: Parameter & has invalid reference &

WA673 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 673

• Message text: Receiver type determination FM &: Parameter & has invalid reference &

What causes this issue?

The specified parameter of the specified function module for
determining the receiver type has a DDIC reference which does not
correspond to the interface required by such a function module.

System Response

The action was terminated, an event was not triggered.

How to fix this error?

Check the parameter definition.

Error message extract from SAP system. Copyright SAP SE.

WA673 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WA673 Receiver type determination FM & : Parameter & has invalid reference &
  
  
  Cause:
  This error occurs during the execution of a receiver determination function module (FM) in the workflow. The function module is used to determine the receiver(s) of a workflow task.
  
  The error indicates that one of the parameters in the function module has an invalid reference.
  This usually means that the parameter expected by the FM is either:
  Not properly passed,
  Has an incorrect or missing value,
  Or the FM is trying to access a parameter that does not exist or is not correctly defined in the interface.
  
  
  
  In other words, the FM is called with incorrect or incomplete parameters, or the FM itself is referencing a parameter that is not valid in the current context.
  
  When does it occur?
  
  During workflow processing, specifically in the receiver determination step.
  When the workflow tries to determine the receiver(s)