How To Fix FL021 - No function module found for include number &

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 021

• Message text: No function module found for include number &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FL021 - No function module found for include number & ?

  The SAP error message FL021, which states "No function module found for include number &," typically occurs when the system is unable to locate a function module that is supposed to be associated with a specific include program. This can happen for several reasons, including:
  Causes:
  
  Missing Function Module: The function module that is supposed to be linked to the include is either not created or has been deleted.
  Incorrect Include Name: The include name specified in the program might be incorrect or misspelled.
  Transport Issues: If the function module was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  System Configuration: There may be issues with the system configuration or inconsistencies in the development environment.
  
  Solutions:
  
  Check Function Module: Verify if the function module exists in the system. You can do this by using transaction code SE37 (Function Builder) and searching for the function module.
  Correct Include Name: Ensure that the include name in the program is correct. You can check the program code to confirm that the include is referenced properly.
  Transport Check: If the function module was recently transported, check the transport logs to ensure that it was transported successfully. You may need to re-transport it if there were issues.
  Authorization Check: Ensure 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.
  Recreate Function Module: If the function module is missing and you have the source code, you may need to recreate it.
  Debugging: If you have access to debugging tools, you can set breakpoints to see where the error is occurring and gather more information about the context of the error.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SE11 (Data Dictionary), SE38 (ABAP Editor).
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for FL021 in the SAP Support Portal.
  Documentation: Review the documentation for the specific module or functionality you are working with to ensure that all necessary components are in place.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.