How To Fix RT288 - Yes: & communication error(s) (tRFC calls with status CPICERR)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 288

• Message text: Yes: & communication error(s) (tRFC calls with status CPICERR)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT288 - Yes: & communication error(s) (tRFC calls with status CPICERR) ?

  The SAP error message RT288 indicates that there is a communication error related to tRFC (Transactional Remote Function Call) calls, specifically with the status CPICERR. This error typically arises when there are issues in the communication between SAP systems or between an SAP system and an external system.
  Causes of RT288 Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of the RFC destinations or the tRFC settings can cause this error. This includes issues with the logical system names, connection parameters, or user authorizations.
  
  
  System Availability: The target system may be down or not reachable. This could be due to maintenance, downtime, or other operational issues.
  
  
  Resource Limitations: The system may be experiencing resource limitations, such as memory or CPU constraints, which can affect its ability to process tRFC calls.
  
  
  SAP Notes: There may be known issues or bugs related to the version of SAP you are using that have been documented in SAP Notes.
  
  
  Solutions to RT288 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 Configuration: Check the configuration of the RFC destination in transaction SM59. Ensure that the connection parameters are correct and that the logical system names are properly defined.
  
  
  Check System Status: Verify that the target system is up and running. You can check the system logs or use transaction SM51 to see the status of the application servers.
  
  
  Review System Resources: Monitor the system resources to ensure that there are no bottlenecks. Use transaction SM04 to check for active users and resource usage.
  
  
  Check for SAP Notes: Look for any relevant SAP Notes that may address known issues with tRFC or CPICERR. You can search for notes in the SAP Support Portal.
  
  
  Error Logs: Review the error logs in transaction SM21 and the tRFC logs in transaction SM58 for more detailed information about the errors.
  
  
  Reprocessing tRFC Calls: If the tRFC calls have failed, you can reprocess them using transaction SM58. This allows you to retry the failed calls.
  
  
  User Authorizations: Ensure that the user used for the RFC connection has the necessary authorizations to perform the required actions.
  
  
  Related Information
  
  
  tRFC: Transactional RFC is a protocol that allows for the reliable execution of remote function calls in a transactional manner. It ensures that the calls are executed exactly once, even in the case of failures.
  
  
  CPIC: Common Programming Interface for Communication (CPIC) is a standard interface for communication between SAP systems and external systems.
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  By following these steps, you should be able to diagnose and resolve the RT288 error effectively.