How To Fix HRPAY00_NT_MSG105 - You may only implement interface &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAY00_NT_MSG - Message Class for NT

• Message number: 105

• Message text: You may only implement interface &1.

What causes this issue?

You can implement interface IF_HRPAY00_NT_ALV_CUST_BTN in a
customer-specific class in the customer namespace. You can use this to i
nclude your own pushbuttons in the ALV toolbar of the NT task list.
However, you may only implement this interface in one of your own
classes.

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?

Make sure that the interface is only implemented in one of your classes.
You can use the where-used list for the interface.

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 HRPAY00_NT_MSG105 - You may only implement interface &1. ?

  The SAP error message HRPAY00_NT_MSG105 with the text "You may only implement interface &1" typically occurs in the context of SAP HR (Human Resources) payroll processing. This error indicates that there is an issue with the implementation of a specific interface in the payroll processing logic.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Interface Implementation: The system is trying to implement an interface that is not allowed or is not correctly defined in the system.
  Configuration Issues: There may be configuration settings in the payroll schema or in the related infotypes that are not set up correctly.
  Custom Code Issues: If there are custom enhancements or modifications in the payroll processing logic, they may not be adhering to the required interface standards.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Interface Implementation:
  
  Verify that the interface being implemented is correct and is intended for the specific payroll process you are working with.
  Ensure that the interface is properly defined in the system.
  
  
  
  Review Configuration Settings:
  
  Go through the payroll configuration settings in the SAP system to ensure that all necessary parameters are set correctly.
  Check the payroll schema for any inconsistencies or errors.
  
  
  
  Debugging:
  
  If you have access to the ABAP development environment, you can debug the payroll processing to identify where the error is occurring.
  Look for any custom code that may be interfering with the standard payroll processing logic.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific interface and payroll processing to understand any prerequisites or restrictions.
  
  
  
  SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance. They may provide specific notes or patches that address the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide guidance on interface implementation.
  Transaction Codes: Familiarize yourself with transaction codes related to payroll configuration, such as:
  
  PE01: Payroll Schema
  PC00_MXX_CALC: Payroll Calculation
  
  
  Documentation: Review the SAP HR documentation for details on payroll processing and interface requirements.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.