How To Fix HRPIQ001001 - Incorrect implementation of business add-in &1; see long text

HRPIQ001001 - Overview

• Message type: E = Error

• Message class: HRPIQ001 - Messages for General Use (Function-Independent)

• Message number: 001

• Message text: Incorrect implementation of business add-in &1; see long text

What causes this issue?

The system triggered an exception while attempting to call business
add-in (BAdI) &V1&.
Either the triggered exception was unintentional, or the system found
an inconsistency while checking the return parameters.

System Response

The system has cancelled processing.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

From the SAP menu, choose Tools -> ABAP Workbench -> Utilities ->
Business Add-Ins -> Definition</> (transaction SE18).
The <ZH>Business Add-Ins: Initial Definition Maintenance</> screen
appears.
Enter the definition name &V1&, and choose <LS>Display</>.
Choose the menu path <LS>Implementation -> Overview</>.
The system displays all active implementations for BAdI definition &V1&
.
Check the implementations.

Error message extract from SAP system. Copyright SAP SE.

HRPIQ001001 - Details

• The SAP error message HRPIQ001001 indicates that there is an issue with the implementation of a Business Add-In (BAdI) in the SAP system. This error typically arises when the BAdI implementation does not conform to the expected interface or when there are inconsistencies in the implementation.
  
  Cause:
  
  Incorrect Implementation: The BAdI implementation may not be correctly defined or may not match the expected interface.
  Missing Methods: Required methods in the BAdI implementation may be missing or incorrectly implemented.
  Incompatible Data Types: The data types used in the implementation may not match those defined in the BAdI interface.
  Activation Issues: The BAdI implementation may not be activated properly in the system.
  Multiple Implementations: If there are multiple implementations of the same BAdI, there may be conflicts or issues with the sequence of execution.
  
  
  Solution:
  
  Check Implementation: Review the BAdI implementation in transaction SE19 (for BAdI implementations) or SE18 (for BAdI definitions) to ensure that it adheres to the expected