How To Fix 5A395 - Interface for function module does not follow convention

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 395

• Message text: Interface for function module does not follow convention

What causes this issue?

The interface of the function module does not follow the convention.

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?

Adjust the function module interface to suit the templates.
For object types 'P' (employee) and 'AP' (applicant), this is function
module 'HR_EVENT_RUELES_PA0001'.
For all other object types, this is function module
'HR_EVENT_OT_NNNN_UUUU_TEMPLATE'.

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 5A395 - Interface for function module does not follow convention ?

  The SAP error message 5A395 indicates that there is an issue with the interface of a function module not adhering to the expected conventions. This typically occurs when the function module is not defined correctly according to the standards set by SAP, which can lead to issues in calling the function module or in its execution.
  Causes:
  
  Incorrect Parameter Types: The parameters defined in the function module may not match the expected types (e.g., input/output parameters).
  Missing Parameters: Required parameters may be missing from the function module interface.
  Incorrect Parameter Order: The order of parameters may not follow the expected sequence.
  Inconsistent Naming Conventions: The naming of parameters may not follow SAP's naming conventions, which can lead to confusion.
  Incompatible Data Types: The data types of the parameters may not be compatible with the calling program or other function modules.
  
  Solutions:
  
  Review Function Module Definition: Check the definition of the function module in transaction SE37 or SE80. Ensure that all parameters are correctly defined.
  Check Parameter Types: Verify that the parameter types (input/output) are correctly specified and match the expected types.
  Ensure Required Parameters are Present: Make sure that all required parameters are included in the function module interface.
  Correct Parameter Order: Ensure that the parameters are in the correct order as per SAP's conventions.
  Follow Naming Conventions: Ensure that the parameter names follow SAP's naming conventions for clarity and consistency.
  Test the Function Module: After making changes, test the function module to ensure it works as expected without errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific function module you are working with.
  Documentation: Refer to the SAP documentation for guidelines on creating function modules and their interfaces.
  Debugging: Use the debugger to trace the execution of the function module and identify where the error occurs.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to consult with a more experienced SAP developer or reach out to SAP support for further assistance.