How To Fix ICL859 - Function module &1 does not have a suitable interface

ICL859 - Overview

• Message type: E = Error

• Message class: ICL - FS-CM: Claims Management

• Message number: 859

• Message text: Function module &1 does not have a suitable interface

What causes this issue?

The interface must only have the following optional parameters:
E_VALUE, reference category SYMSGV
E_TYPE, reference category ICL_CMC_TYPE
E_LENGHT, reference category ICL_CMC_OUTLEN

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?

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 ICL859 - Function module &1 does not have a suitable interface ?

  The SAP error message ICL859 indicates that a function module does not have a suitable interface for the operation being attempted. This typically occurs when there is a mismatch between the expected parameters of the function module and the parameters being passed to it.
  Causes:
  
  Incorrect Function Module Call: The function module is being called with the wrong parameters or in an incorrect manner.
  Changes in Function Module: The function module may have been modified (e.g., parameters added or removed) and the calling program has not been updated accordingly.
  Version Mismatch: There may be a version mismatch between the function module and the calling program, especially if the function module is part of a transport that has not been imported into the system.
  Authorization Issues: Sometimes, authorization issues can prevent the function module from being executed properly, leading to interface errors.
  
  Solutions:
  
  Check Function Module Interface: Go to transaction SE37 (Function Builder) and check the interface of