How To Fix SMM000 - System error & occurred at RFC destination &

SAP Error Message - Details

• Message type: E = Error

• Message class: SMM - SAP Mass Mailer

• Message number: 000

• Message text: System error & occurred at RFC destination &

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SMM000 - System error & occurred at RFC destination & ?

  The SAP error message "SMM000 System error & occurred at RFC destination &" typically indicates that there is a problem with the Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems or between the SAP system and the external system.
  RFC Destination Configuration: The RFC destination may not be configured correctly, or it may be pointing to an incorrect or inactive system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  System Availability: The target system may be down or not available for some reason.
  SAP Kernel or Software Bugs: There may be bugs in the SAP kernel or the software that could lead to this error.
  Timeouts: The RFC call may be timing out due to long processing times or heavy load on the system.
  
  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 in the SAP GUI and check the configuration of the RFC destination. Ensure that the connection parameters are correct and that the destination is active.
  Test RFC Connection: In transaction SM59, you can test the RFC connection to see if it is working properly. This will help identify if the issue is with the connection itself.
  Check Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to execute the required functions.
  Check System Status: Verify that the target system is up and running. You can check the system status in transaction SM51 or by using the SAP system monitoring tools.
  Review Logs: Check the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages or information that could help diagnose the issue.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings for the RFC connection in the RFC destination configuration.
  Update SAP Kernel: If you suspect a bug, check for any available updates or patches for the SAP kernel or relevant components.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SM51: List of Active Instances
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC errors.
  Documentation: Review SAP documentation for RFC and connectivity issues for more detailed troubleshooting steps.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.