How To Fix AQV022 - Incorrect interface for assigned function module

AQV022 - Overview

• Message type: E = Error

• Message class: AQV - Message texts for SAP Query

• Message number: 022

• Message text: Incorrect interface for assigned function module

What causes this issue?

The interface of the corresponding function module does not adhere to
the specification.
For interface type 0 the interface must be :
Import:
Import parameter: Reference field: Reference type:
PROGRAM SY-REPID
LIST_ID RSAQLDESC-LID
LISTTEXT C
LISTOFFSET I
No EXPORT and no CHANGING parameter.
Tables:
Tables parameter: Reference structure: Reference type:
LISTDESC RSAQLDESC
FPAIRS RSAQFPAIRS
DTAB

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

System Response

Error message

How to fix this error?

Only function modules that have the above interface may be used as a
function in the additional functions.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

AQV022 - Details

• The SAP error message AQV022, which states "Incorrect interface for assigned function module," typically occurs when there is a mismatch between the expected interface of a function module and the actual interface that has been defined or assigned. This can happen in various scenarios, such as when using function modules in the context of Business Add-Ins (BAdIs), enhancements, or when integrating with other systems.
  Causes:
  
  Mismatch in Parameters: The function module being called does not have the expected parameters (input/output) as defined in the interface.
  Incorrect Assignment: The function module may not be correctly assigned to the interface or BAdI.
  Changes in Function Module: If the function module was modified (e.g., parameters added or removed) after it was assigned, it could lead to this error.
  Versioning Issues: If there are multiple versions of the function module or interface, the wrong version might be referenced.
  Transport Issues: If the function module was transported from one system to