How To Fix 28114 - Error in generic function module interface (ABAP): &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 114

• Message text: Error in generic function module interface (ABAP): &1

What causes this issue?

The syntax check found an error in the function entry &V1&. The
function module referred cannot be used, because the interface does not
match the conventions.

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?

Ensure that the function module referred to has a generic interface
that matches the conventions:
one IMPORT parameter GLOBALS (with structure CUOV_00)
one TABLES parameter QUERY (with structure CUOV_01)
one TABLES parameter MATCH (with structure CUOV_01)
one EXCEPTION with the name FAIL (signals a contradiction)
one EXCEPTION with the name INTERNAL_ERROR (timeout)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28114 - Error in generic function module interface (ABAP): &1 ?

  The SAP error message 28114, which states "Error in generic function module interface (ABAP): &1," typically indicates that there is an issue with the interface of a function module in ABAP. This error can arise due to various reasons, including incorrect parameter types, missing parameters, or issues with the function module's definition.
  Causes:
  
  Parameter Mismatch: The parameters being passed to the function module do not match the expected types or structure.
  Missing Parameters: Required parameters are not being provided when calling the function module.
  Incorrect Function Module Name: The function module name might be misspelled or incorrect.
  Changes in Function Module: If the function module has been modified (e.g., added or removed parameters), it may lead to this error if the calling program has not been updated accordingly.
  Authorization Issues: Sometimes, authorization issues can prevent the function module from being executed properly.
  
  Solutions:
  
  Check Parameter Types: Verify that the parameters being passed to the function module match the expected types and structures defined in the function module.
  Review Function Module Definition: Go to transaction SE37 (Function Module) and check the definition of the function module to ensure that all required parameters are being passed.
  Update Calling Program: If the function module has been changed, update the calling program to align with the new definition.
  Debugging: Use the debugger to step through the code where the function module is called to identify the exact point of failure and the values being passed.
  Check Authorizations: Ensure that the user executing the function module has the necessary authorizations to call it.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SE11: Data Dictionary (to check structures and tables)
  
  
  
  Documentation: Review the documentation for the specific function module to understand its parameters and expected behavior.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address known issues with the specific function module.
  
  
  If the issue persists after checking the above points, consider reaching out to your SAP Basis or ABAP development team for further assistance.