How To Fix QM405 - The reference structure of &1 parameter must be &2, not &3

QM405 - Overview

• Message type: E = Error

• Message class: QM - Messages for quality notifications

• Message number: 405

• Message text: The reference structure of &1 parameter must be &2, not &3

What causes this issue?

The interface of the function module you entered is not compatible with
the interface of the sample function module.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the interface of the function module you entered and correct the
reference structure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QM405 - The reference structure of &1 parameter must be &2, not &3 ?

  The SAP error message QM405 indicates that there is a mismatch in the expected structure of a parameter in a Quality Management (QM) context. Specifically, it suggests that the reference structure for a certain parameter (denoted as &1) is expected to be of a certain type (denoted as &2), but the system has encountered a different type (denoted as &3).
  
  Cause:
  This error typically arises due to one of the following reasons:
  
  Data Type Mismatch: The parameter being passed does not match the expected data type or structure defined in the system.
  
  Configuration Issues: There may be a misconfiguration in the Quality Management module or related settings that define how parameters should be structured.
  Custom Development: If there are custom programs or enhancements, they may not be adhering to the expected parameter structures defined by SAP.
  Incorrect Usage: The function module or method being called may be used incorrectly, leading to the wrong parameter being passed.
  
  
  Solution:
  To