How To Fix FR626 - Function module &1: Interface is not compatible

SAP Error Message - Details

• Message type: E = Error

• Message class: FR - Messages for FI Reporting

• Message number: 626

• Message text: Function module &1: Interface is not compatible

What causes this issue?

You have specified that you would like to use the function module <ZH>
&V1&</> to select the selection view for the line item browser. However,
the interface for function module <ZH>&V1&</> is not one of the
predefined interfaces.
You specified that you want to use function module <ZH>&V1&</> to
determine the selection view to be used in the context of the line item
browser. The interface of function module <ZH>&V1&</> does not meet the
requirements.

System Response

Warning: In its current version, function module <ZH>&V1&</> cannot be
used. Instead, the system uses the default selection view <ZH>&V2&</>.
Warning. The function module <ZH>&V1&</> cannot be used in its
current version. Instead the standard selection view <ZH>&V2&</>
will be used.

How to fix this error?

Specify a function module that has a compatible interface. You can copy
function module <ZH>FAGL_HDB_CUST_BRW_SELVIEW_EXIT</> and adjust the
implementation to suit your requirements.
Specify a function module with a compatible interface. You may want to
copy function module <ZH>FAGL_HDB_CUST_BRW_SELVIEW_EXIT</> and adjust
the implementation according to your requirements.

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 FR626 - Function module &1: Interface is not compatible ?

  The SAP error message FR626 indicates that there is an issue with the compatibility of the interface of a function module. This typically occurs when the function module being called does not match the expected interface in terms of parameters, types, or structure.
  Causes:
  
  Mismatch in Function Module Signature: The function module being called has a different signature (parameters, types, or order) than what is expected.
  Changes in Function Module: If the function module was recently modified (e.g., parameters added, removed, or changed), and the calling program has not been updated accordingly.
  Versioning Issues: If there are different versions of the function module in different environments (e.g., development vs. production), this can lead to compatibility issues.
  Transport Issues: If the function module was transported from one system to another without proper synchronization of dependent objects.
  
  Solutions:
  
  Check Function Module Definition: Verify the definition of the function module in transaction SE37 or SE80. Ensure that the parameters match what is being called in the program.
  Update Calling Program: If the function module has changed, update the calling program to match the new interface.
  Check for Transport Issues: Ensure that all related objects (like structures, types, etc.) have been transported correctly and are in sync across environments.
  Use the Correct Version: Make sure you are using the correct version of the function module that is compatible with your program.
  Debugging: Use the debugger to trace the point of failure and inspect the parameters being passed to the function module.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SE11: Data Dictionary (to check structures and types)
  
  
  Documentation: Review the documentation for the function module to understand its expected parameters and usage.
  SAP Notes: Check SAP Notes for any known issues or patches related to the function module in question.
  
  By following these steps, you should be able to identify and resolve the compatibility issue related to the function module interface.