How To Fix FKKRA057 - RFC destination &1: Error when checking function module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKRA - FI-CA Integration with Revenue Accounting

• Message number: 057

• Message text: RFC destination &1: Error when checking function module &2

What causes this issue?

During the existence check of function module &V2& using RFC connection
&V1&, an unexpected error occurred.

System Response

The transfer to revenue accounting was canceled.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKRA057 - RFC destination &1: Error when checking function module &2 ?

  The SAP error message FKKRA057 indicates that there is an issue with the Remote Function Call (RFC) destination when trying to check a function module. This error typically arises in the context of SAP's Contract Accounts Receivable and Payable (FI-CA) module, which relies on RFC connections to communicate with other systems or instances.
  Cause:
  
  RFC Destination Configuration: The RFC destination specified in the error message may not be correctly configured. This could include incorrect connection parameters, such as the target system's IP address, port, or system ID.
  Network Issues: There may be network connectivity issues between the SAP system and the target system defined in the RFC destination.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to execute the function module.
  Function Module Issues: The function module itself may not exist in the target system, or it may be inactive or have errors.
  System Availability: The target system may be down or not reachable at the time of the call.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the error message.
  Verify that the connection parameters (like target host, system number, client, user, and password) are correct.
  Test the connection using the "Test Connection" button to ensure it is working properly.
  
  
  
  Check Function Module:
  
  Ensure that the function module specified in the error message exists in the target system.
  Check if the function module is active and has no errors.
  
  
  
  Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing communication between the systems.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  Authorization Check:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations to execute the function module in the target system.
  
  
  
  System Status:
  
  Check if the target system is up and running. If it is down, you may need to wait until it is available again.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the RFC trace (transaction SM58) for any additional error messages or details that could provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SM58: Asynchronous RFC Monitor
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC destinations and troubleshooting RFC issues.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the FKKRA057 error.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the FKKRA057 error message.