How To Fix RSOSC154 - Error during RFC comminication for function &1: &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOSC - Scoping framework

• Message number: 154

• Message text: Error during RFC comminication for function &1: &2 &3

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOSC154 - Error during RFC comminication for function &1: &2 &3 ?

  The SAP error message RSOSC154 indicates that there is an issue with Remote Function Call (RFC) communication when trying to execute a function module. The message typically includes the function name and additional details about the error.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system (e.g., incorrect parameters, missing entries).
  Authorization Issues: The user executing the RFC call may not have the necessary authorizations to perform the action.
  Function Module Issues: The function module being called may not exist, may be inactive, or may have been changed in a way that affects its execution.
  System Load: High system load or performance issues can lead to timeouts or failures in RFC communication.
  Transport Issues: If the function module was recently transported, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination: Go to transaction SM59 and check the configuration of the RFC destination. Ensure that the connection parameters are correct and that the destination is reachable.
  Check Authorizations: Verify that the user has the necessary authorizations to execute the function module. You can use transaction SU53 to analyze authorization issues.
  Review Function Module: Check if the function module exists and is active. You can do this in transaction SE37 or SE80. Ensure that it has not been modified in a way that affects its execution.
  Monitor System Performance: Use transaction SM50 or SM66 to monitor system performance and check for any locks or long-running processes that might be affecting RFC communication.
  Check Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that might indicate issues with the transport.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SE37: Function Module
  SU53: Authorization Check
  SM50: Work Process Overview
  SM66: Global Work Process Overview
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the error message RSOSC154.
  Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after checking the above points, consider reaching out to your SAP Basis team or SAP support for further assistance.