How To Fix WA684 - & &: Parameter & has invalid reference &

WA684 - Overview

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 684

• Message text: & &: Parameter & has invalid reference &

What causes this issue?

The specified parameter of the specified function module has an ABAP
Dictionary reference that is not in accordance with the interface
required for such a function module.

System Response

The action was aborted.

How to fix this error?

Check the parameter definition.

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.

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• What is the cause and solution for SAP error message WA684 - & &: Parameter & has invalid reference & ?

  Certainly! Here's a detailed explanation for the SAP error message WA684 & &: Parameter & has invalid reference &:
  
  SAP Error Message: WA684 & &: Parameter & has invalid reference &
  
  1. Cause
  This error occurs when a parameter used in a program, function module, or form routine has an invalid or incorrect reference. Specifically, the system detects that a parameter (variable or field) is being referenced in a way that is not valid, such as:
  
  The parameter is not declared or does not exist in the current context.
  The parameter is referenced with an incorrect name or spelling.
  The parameter is used in a place where it is not allowed (e.g., referencing a parameter outside its scope).
  The parameter is passed incorrectly between modules or subroutines.
  There is a mismatch in the parameter list between the calling and called program or function.
  
  The placeholders & in the message are replaced at runtime with the actual program name, parameter