How To Fix PB313 - Interface for function module does not follow convention

SAP Error Message - Details

• Message type: E = Error

• Message class: PB - PD: Message IDs Org. Management

• Message number: 313

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

What causes this issue?

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

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

System Response

How to fix this error?

Adjust the function module interface to fit the
'HR_HANDLE_RELATION_TEMPLATE' 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 PB313 - Interface for function module does not follow convention ?

  The SAP error message PB313, which states "Interface for function module does not follow convention," typically occurs when there is a mismatch or inconsistency in the interface definition of a function module in ABAP. This can happen due to various reasons, such as incorrect parameter types, missing parameters, or not adhering to naming conventions.
  Causes:
  
  Parameter Mismatch: The parameters defined in the function module do not match the expected types or names.
  Missing Parameters: Required parameters may be missing from the function module interface.
  Incorrect Data Types: The data types of the parameters may not conform to the expected types (e.g., using a structure instead of a simple type).
  Naming Conventions: The function module may not follow the naming conventions set by SAP, which can lead to confusion or errors in processing.
  Inconsistent Import/Export Parameters: The import and export parameters may not be correctly defined or may not align with the expected interface.
  
  Solutions:
  
  Review Function Module Interface: Check the interface of the function module in transaction SE37 or SE80. Ensure that all parameters are correctly defined and match the expected types.
  Check Naming Conventions: Ensure that the function module and its parameters follow SAP's naming conventions. For example, use prefixes like Z or Y for custom developments.
  Adjust Parameter Types: If there are discrepancies in data types, adjust them to match the expected types.
  Add Missing Parameters: If any required parameters are missing, add them to the function module interface.
  Test the Function Module: After making changes, test the function module to ensure that it works correctly and that the error message no longer appears.
  Consult Documentation: Refer to SAP documentation or guidelines for function module development to ensure compliance with best practices.
  
  Related Information:
  
  Transaction Codes: Use SE37 (Function Builder) to view and edit function modules.
  ABAP Development Guidelines: Familiarize yourself with SAP's ABAP development guidelines to avoid common pitfalls.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to function module interfaces.
  Debugging: If the error persists, consider using the debugger to trace the execution and identify where the mismatch occurs.
  
  By following these steps, you should be able to resolve the PB313 error and ensure that your function module adheres to the required conventions.