How To Fix SY563 - Function module &1 is not assigned to an RFC service

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 563

• Message text: Function module &1 is not assigned to an RFC service

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY563 - Function module &1 is not assigned to an RFC service ?

  The SAP error message SY563 indicates that a function module is not assigned to a Remote Function Call (RFC) service. This typically occurs when you are trying to call a function module remotely, but the function module has not been properly configured to be accessible via RFC.
  Cause:
  
  Function Module Not RFC Enabled: The function module you are trying to call is not marked as RFC-enabled. Only function modules that are explicitly defined as RFC-enabled can be called remotely.
  Missing RFC Destination: The RFC destination may not be set up correctly, or the function module is not assigned to the correct RFC destination.
  Authorization Issues: The user or system trying to access the function module may not have the necessary authorizations to call it.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly activated or assigned in the target system.
  
  Solution:
  
  
  Check Function Module Attributes:
  
  Go to transaction SE37 (Function Module) and enter the name of the function module.
  Check if the function module is marked as RFC-enabled. If not, you can enable it by selecting the "Remote-Enabled Module" checkbox in the function module's attributes.
  
  
  
  Assign to RFC Service:
  
  If the function module is not assigned to an RFC service, you may need to assign it. This can typically be done in transaction SE80 (Object Navigator) or through the relevant configuration settings.
  
  
  
  Create or Check RFC Destination:
  
  Ensure that the RFC destination is correctly configured in transaction SM59. Test the connection to ensure it is working properly.
  
  
  
  Check Authorizations:
  
  Verify that the user or system has the necessary authorizations to execute the function module. You can check this in transaction SU53 or by reviewing the user roles and profiles.
  
  
  
  Transport and Activation:
  
  If the function module was recently transported, ensure that it has been activated in the target system. You can do this by checking the transport logs and ensuring that the function module is active.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration or the specific function module, consult the SAP documentation or reach out to your SAP Basis or development team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37: Function Module
  SM59: RFC Destinations
  SU53: Authorization Check
  SE80: Object Navigator
  
  
  
  RFC-Enabled Function Module: A function module that can be called from another SAP system or from an external system using RFC.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the function module or RFC configuration.
  
  
  By following these steps, you should be able to resolve the SY563 error and successfully call the desired function module via RFC.