How To Fix RTP307 - Error in RFC call up function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RTP - Message class for retirement plans (US enhancement)

• Message number: 307

• Message text: Error in RFC call up function module &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTP307 - Error in RFC call up function module &1 ?

  The SAP error message RTP307, which indicates "Error in RFC call up function module &1," typically occurs when there is an issue with a Remote Function Call (RFC) to a specific function module in SAP. This error can arise due to various reasons, including configuration issues, network problems, or issues with the function module itself.
  Causes of RTP307 Error
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC call failures.
  Authorization Issues: The user executing the RFC call may not have the necessary authorizations to access the function module.
  Function Module Errors: The function module being called may have internal errors or may not be properly defined.
  Configuration Issues: Incorrect settings in the RFC destination or in the function module configuration can lead to this error.
  System Performance: High load on the system or performance issues can cause timeouts or failures in RFC calls.
  Version Mismatch: If there are different versions of the function module in the source and target systems, it may lead to incompatibility issues.
  
  Solutions to RTP307 Error
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved in the RFC call. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Review Authorizations: Verify that the user executing the RFC call has the necessary authorizations to access the function module. You can check this in transaction SU53 or by reviewing the user roles and profiles.
  
  
  Debug the Function Module: If you have access to the function module, you can debug it to identify any internal errors. Use transaction SE37 to check the function module and see if it works correctly when called directly.
  
  
  Check RFC Destination: Review the configuration of the RFC destination in transaction SM59. Ensure that the destination is correctly configured and that the connection test is successful.
  
  
  Monitor System Performance: Use transaction ST22 to check for dumps or transaction SM21 for system logs to identify any performance-related issues.
  
  
  Check for Updates: Ensure that both the source and target systems are updated and compatible. If there are known issues with the function module, check SAP Notes for any patches or updates.
  
  
  Consult SAP Notes: Search for the specific error message in the SAP Support Portal or SAP Notes for any known issues or solutions related to RTP307.
  
  
  Related Information
  
  
  Transaction Codes: 
  
  SM59: To manage RFC destinations.
  SE37: To view and debug function modules.
  ST22: To check for dumps.
  SM21: To view system logs.
  
  
  
  SAP Notes: Always check the SAP Support Portal for relevant SAP Notes that may address specific issues related to the RTP307 error.
  
  
  Documentation: Review SAP documentation for RFC and function modules to understand their configuration and usage better.
  
  
  By following these steps, you should be able to diagnose and resolve the RTP307 error effectively. If the issue persists, consider reaching out to SAP support for further assistance.