How To Fix RT289 - No: 0 communication errors (tRFC calls with status CPICERR)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 289

• Message text: No: 0 communication errors (tRFC calls with status CPICERR)

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 RT289 - No: 0 communication errors (tRFC calls with status CPICERR) ?

  The SAP error message RT289, which indicates "0 communication errors (tRFC calls with status CPICERR)," typically relates to issues with the communication between SAP systems, particularly in the context of transactional RFC (tRFC) calls. The CPICERR status suggests that there is a problem with the communication layer, which can be caused by various factors.
  Causes of RT289 Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication errors. This could include network outages, high latency, or misconfigured firewalls.
  
  
  Configuration Errors: Incorrect settings in the RFC destination configuration can lead to communication failures. This includes issues with the target system's connection parameters.
  
  
  System Availability: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  Authorization Issues: The user credentials used for the tRFC call may not have the necessary authorizations to perform the requested operation.
  
  
  Resource Limitations: The system may be experiencing resource constraints, such as memory or CPU limitations, which can affect its ability to process tRFC calls.
  
  
  SAP Kernel Issues: Bugs or issues in the SAP kernel or the specific version of the software being used can also lead to communication errors.
  
  
  Solutions to RT289 Error
  
  
  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 Configuration: Go to transaction SM59 and check the configuration of the RFC destination. Ensure that the connection parameters (like the target host, system number, and client) are correct.
  
  
  Check System Status: Verify that the target SAP system is up and running. You can check the system logs or use transaction SM51 to see the status of application servers.
  
  
  Review Authorizations: Ensure that the user credentials used for the tRFC call have the necessary authorizations. You can check this in transaction SU01.
  
  
  Monitor System Resources: Use transaction SM04 or ST02 to monitor system resources and check for any bottlenecks that might be affecting performance.
  
  
  Check SAP Notes: Look for any relevant SAP Notes that might address known issues with the specific version of SAP you are using. You can search for notes related to CPICERR or tRFC issues.
  
  
  Review Logs: Check the system logs (transaction SM21) and the tRFC logs (transaction SM58) for more detailed error messages that can provide additional context for the issue.
  
  
  Restart Services: If the issue persists, consider restarting the affected services or the entire SAP system, if feasible.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SM58: tRFC Queue Monitoring
  SM21: System Log
  ST22: Dump Analysis
  SM04: User Overview
  ST02: Buffer Monitoring
  
  
  
  SAP Notes: Always check the SAP Support Portal for the latest notes and patches related to your specific SAP version and the error message.
  
  
  Documentation: Refer to the official SAP documentation for more detailed information on tRFC and CPIC errors.
  
  
  By following these steps, you should be able to diagnose and resolve the RT289 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.