How To Fix 3G871 - The function module &2 is missing in selection program &1

3G871 - Overview

• Message type: E = Error

• Message class: 3G - Payroll: International

• Message number: 871

• Message text: The function module &2 is missing in selection program &1

What causes this issue?

When checking the selection program <LS>&V1&</>, the system has
identified that the function module <LS>&V2&</> is not called in the
program.

How to fix this error?

Insert <LS>one</> call to this module <LS>&V2&</> in the selection
program.

Error message extract from SAP system. Copyright SAP SE.

3G871 - Details

• The SAP error message 3G871 indicates that a function module specified in a selection program is missing. This typically occurs when the program is trying to call a function module that does not exist in the system or is not accessible due to authorization issues or other reasons.
  
  Cause:
  
  Missing Function Module: The function module specified in the error message does not exist in the SAP system.
  Transport Issues: The function module may not have been transported correctly from the development environment to the production environment.
  Authorization Issues: The user executing the program may not have the necessary authorizations to access the function module.
  Incorrect Program Configuration: The selection program may be incorrectly configured to call a function module that is not intended to be used.
  
  
  Solution:
  
  
  Check Function Module Existence:
  
  Use transaction SE37 to check if the function module exists in the system. If it does not exist, you may need to create it or transport it