How To Fix FL171 - Enter a function module that can be called by RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 171

• Message text: Enter a function module that can be called by RFC

What causes this issue?

You attempted to generate an RFC stub for a function module. However,
this is possible only for remotely called modules.

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?

Use the <LS>Administration</> function of the Function Builder to
change the process type to 'Remote Function Call supported'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL171 - Enter a function module that can be called by RFC ?

  The SAP error message FL171, which states "Enter a function module that can be called by RFC," typically occurs when you are trying to create or modify a function module in SAP that is intended to be called remotely via Remote Function Call (RFC), but the system does not recognize the function module as RFC-enabled.
  Cause:
  
  Function Module Not RFC-Enabled: The function module you are trying to use is not marked as RFC-enabled. This means it does not have the necessary attributes to be called from a remote system.
  Incorrect Function Module Name: You may have entered an incorrect or non-existent function module name.
  Authorization Issues: There may be authorization issues preventing you from accessing the function module.
  Transport Issues: If the function module is part of a transport request, it may not have been properly imported into the target system.
  
  Solution:
  
  
  Check Function Module Attributes:
  
  Go to transaction code SE37 (Function Module) and enter the name of the function module.
  Check if the function module is marked as RFC-enabled. This can be done by looking for the "Remote-Enabled Module" checkbox in the attributes of the function module.
  If it is not RFC-enabled, you will need to modify the function module to enable it for RFC calls.
  
  
  
  Create or Modify Function Module:
  
  If you are creating a new function module, ensure that you check the "Remote-Enabled Module" option when defining the function module.
  If you are modifying an existing function module, you can enable it for RFC by changing the attributes accordingly.
  
  
  
  Verify Function Module Name:
  
  Double-check the name of the function module you are trying to call. Ensure that it exists and is correctly spelled.
  
  
  
  Check Authorizations:
  
  Ensure that you have the necessary authorizations to access the function module. You may need to consult with your SAP security team.
  
  
  
  Transport Request:
  
  If the function module is part of a transport request, ensure that the transport has been successfully imported into the target system.
  
  
  
  Related Information:
  
  RFC (Remote Function Call): This is a communication interface in SAP that allows for the execution of function modules in a remote system.
  Transaction Codes:
  
  SE37: Function Module maintenance.
  SE80: Object Navigator, where you can also find and manage function modules.
  
  
  Documentation: Refer to SAP Help documentation for more details on creating RFC-enabled function modules and best practices.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis or development team for further assistance.