How To Fix EHPRC_CPM_GENERAL004 - Error in interface of function module &3 (user exit type &1, name &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: EHPRC_CPM_GENERAL - General Messages

• Message number: 004

• Message text: Error in interface of function module &3 (user exit type &1, name &2)

What causes this issue?

The interface differs from the reference function module interface.

System Response

The system does not execute the user exit.

How to fix this error?

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

Procedure for System Administrators

In the Customizing activity <LS>Specify User Exit Parameters</>, ensure
that the user exit types are assigned to specific reference function
module.
In the Customizing activity <LS>Manage User Exits</>, check that the
user exits for an existing user exit type are entered. Ensure that the
function module interfaces of the maintained user exits match the
reference function module.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EHPRC_CPM_GENERAL004 - Error in interface of function module &3 (user exit type &1, name &2) ?

  The SAP error message EHPRC_CPM_GENERAL004 indicates that there is an error in the interface of a function module, specifically related to a user exit. This error typically arises in the context of the SAP EHPRC (Enterprise Health and Safety Management) module, particularly when dealing with custom enhancements or user exits.
  Cause:
  
  Incorrect Function Module Interface: The function module specified in the error message (&3) may have an incorrect interface definition, such as missing parameters or incorrect data types.
  User Exit Issues: The user exit type (&1) and name (&2) may not be implemented correctly, or there may be issues in the custom code that is being executed.
  Data Consistency Issues: There may be inconsistencies in the data being passed to the function module, leading to runtime errors.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the function module or the data it requires.
  
  Solution:
  
  
  Check Function Module Interface:
  
  Go to transaction SE37 (Function Builder) and check the interface of the function module specified in the error message.
  Ensure that all parameters are correctly defined and that the data types match what is expected.
  
  
  
  Review User Exit Implementation:
  
  Check the implementation of the user exit specified in the error message.
  Ensure that the code is correctly handling all expected scenarios and that there are no syntax errors or logical issues.
  
  
  
  Debugging:
  
  Use transaction SE80 or SE37 to set breakpoints in the function module or user exit to analyze the flow of data and identify where the error occurs.
  Check the values of the parameters being passed to the function module to ensure they are valid.
  
  
  
  Check Authorization:
  
  Verify that the user has the necessary authorizations to execute the function module and access the required data.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  
  
  
  Testing:
  
  After making changes, thoroughly test the functionality to ensure that the error is resolved and that the system behaves as expected.
  
  
  
  Related Information:
  
  Transaction Codes: SE37 (Function Module), SE80 (Object Navigator), SE11 (Data Dictionary), SE24 (Class Builder).
  SAP Documentation: Review the official SAP documentation for EHPRC and user exits to understand the expected behavior and implementation guidelines.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.