How To Fix AQV022 - Incorrect interface for assigned function module

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQV022 - Incorrect interface for assigned function module ?

  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 another without proper adjustments, it might lead to inconsistencies.
  
  Solutions:
  
  Check Function Module Interface: Verify the parameters of the function module against the expected interface. Ensure that the parameter types and names match.
  Reassign Function Module: If the function module is incorrectly assigned, reassign it to the correct interface or BAdI.
  Review Changes: If the function module was recently changed, review the changes to ensure that they are compatible with the interface.
  Check for Version Conflicts: Ensure that the correct version of the function module is being used. If necessary, revert to a previous version that matches the expected interface.
  Transport Adjustments: If the function module was transported, check for any necessary adjustments or corrections that need to be made in the target system.
  Debugging: Use debugging tools to trace the execution and identify where the mismatch occurs.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Builder) to check the function module and SE80 (Object Navigator) to check the BAdI or enhancement implementations.
  Documentation: Review the documentation for the function module and the interface to understand the expected parameters and their types.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or interface you are working with.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify and resolve the AQV022 error in your SAP system.