How To Fix FL651 - Function module & does not exist

FL651 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 651

• Message text: Function module & does not exist

What causes this issue?

The function module you selected does not exist in this system.

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?

Error message extract from SAP system. Copyright SAP SE.

FL651 - Details

• The SAP error message FL651 indicates that a specific function module is not found in the system. This can occur for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  
  Cause:
  
  Missing Function Module: The function module referenced in the error message may not exist in the system. This could be due to a missing transport or an incomplete installation of a component.
  Incorrect Configuration: The system may be incorrectly configured, leading to the system looking for a function module that is not applicable or available in the current environment.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the function module, leading to the perception that it does not exist.
  System Version: The function module may exist in a different version of SAP or may have been deprecated in the version you are using.
  
  
  Solution:
  
  
  Check Function Module Existence:
  
  Use transaction code SE37 (Function Builder) to check if