How To Fix FL651 - Function module & does not exist

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL651 - Function module & does not exist ?

  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 the function module exists. Enter the name of the function module and see if it is available.
  
  
  
  Transport Requests:
  
  If the function module is missing, check if there are any transport requests that need to be imported. This is especially relevant if the system was recently upgraded or if new components were added.
  
  
  
  Check Configuration:
  
  Review the configuration settings related to the function module. Ensure that all necessary components are correctly configured.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to access the function module. You can check this using transaction SU53 to see if there are any authorization issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific function module. There may be known issues or additional steps required for your specific version.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They can provide insights based on the specific error and your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SU53 (Authorization Check).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address the specific function module or error message.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  
  By following these steps, you should be able to identify the cause of the FL651 error and implement a solution to resolve it.