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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• 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 name, or other relevant information.
  
  2. Solution
  To resolve this error, follow these steps:
  
  
  Check Parameter Declaration: Verify that the parameter mentioned in the error message is properly declared in the program, function module, or subroutine.
  
  
  Check Parameter Names: Ensure that the parameter name is spelled correctly and matches exactly in all references.
  
  
  Check Parameter Scope: Confirm that the parameter is accessible in the context where it is being used. For example, a parameter declared in a subroutine cannot be referenced outside it unless passed explicitly.
  
  
  Check Parameter Passing: If the parameter is passed between programs, function modules, or subroutines, verify that the parameter list matches in type, order, and name.
  
  
  Check Interface Consistency: For function modules or methods, check the interface definition to ensure the parameter is defined and used correctly.
  
  
  Debugging: Use the ABAP debugger to trace where the invalid reference occurs and inspect the parameter values and declarations.
  
  
  Check for Typographical Errors: Sometimes, simple typos cause this error.
  
  
  
  3. Related Information
  
  Message Class: WA6 (or similar, depending on system version)
  Message Number: 684
  Context: This message is typically raised during syntax check, runtime, or when activating programs or function modules.
  Transaction Codes: SE38 (ABAP Editor), SE37 (Function Builder), SE80 (Object Navigator)
  SAP Notes: Search SAP Support Portal for notes related to message WA684 for specific patches or known issues.
  ABAP Documentation: Review ABAP documentation on parameter passing, subroutine calls, and function module interfaces.
  
  
  Example Scenario
  Suppose you have a subroutine:
  FORM calculate_total USING p_amount TYPE i.
    total = p_amout + 10. " Typo here: p_amout instead of p_amount
  ENDFORM.
  This would cause an invalid reference error because p_amout is not declared.
  
  If you provide the exact program or code snippet where the error occurs, I can help you pinpoint the issue more precisely.
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Parameter referenced incorrectly or undeclared
  
  
  Solution
  Verify declaration, spelling, scope, and passing of parameters
  
  
  Related Info
  Check ABAP syntax, interfaces, and SAP Notes
  
  
  
  
  If you need further assistance, feel free to share the code or context where the error occurs!