How To Fix HRPAYBR94403 - Function module '&' does not exist in target system through RFC &

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPAYBR94 - Reports log

• Message number: 403

• Message text: Function module '&' does not exist in target system through RFC &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRPAYBR94403 - Function module '&' does not exist in target system through RFC & ?

  The SAP error message HRPAYBR94403 indicates that a specific function module, referenced by the placeholder '&', does not exist in the target system when accessed through Remote Function Call (RFC). This error typically arises in scenarios where a function module is expected to be available in the target system but is either missing or not properly configured.
  Causes:
  
  Missing Function Module: The function module may not be present in the target system. This can happen if the module was not transported correctly or if the target system is not updated with the latest changes.
  Incorrect RFC Destination: The RFC destination may be pointing to the wrong system or an incorrect configuration, leading to the inability to find the function module.
  Version Mismatch: There may be a version mismatch between the source and target systems, where the function module exists in one system but not in the other.
  Authorization Issues: The user executing the RFC call may not have the necessary authorizations to access the function module.
  
  Solutions:
  
  Check Function Module Existence: Verify if the function module exists in the target system. You can do this by using transaction SE37 (Function Builder) and searching for the function module name.
  Transport the Function Module: If the function module is missing, you may need to transport it from the source system to the target system. Ensure that the transport request is properly released and imported.
  Verify RFC Destination: Check the configuration of the RFC destination in transaction SM59. Ensure that it points to the correct target system and that the connection is working.
  Check Authorizations: Ensure that the user executing the RFC call has the necessary authorizations to access the function module. You can check this in transaction SU53 after the error occurs.
  System Synchronization: If there are version mismatches, ensure that both systems are synchronized and have the same version of the relevant components.
  
  Related Information:
  
  Transaction Codes:
  
  SE37: Function Builder to check for the existence of the function module.
  SM59: To manage and test RFC destinations.
  SU53: To analyze authorization issues after an error occurs.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to RFC and function modules for best practices and configuration guidelines.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.