How To Fix KX955 - Queue & CPI-C SEND Error &

SAP Error Message - Details

• Message type: E = Error

• Message class: KX - EC-EIS/EC-BP: Data basis, data collection

• Message number: 955

• Message text: Queue & CPI-C SEND Error &

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 KX955 - Queue & CPI-C SEND Error & ?

  The SAP error message KX955, which indicates a "Queue & CPI-C SEND Error," typically arises in the context of communication issues between SAP systems or between an SAP system and an external system. This error is often related to the use of the CPI-C (Common Programming Interface for Communication) protocol, which is used for communication in distributed environments.
  Causes of KX955 Error
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication failures.
  Configuration Errors: Incorrect configuration of the CPI-C settings or the RFC (Remote Function Call) destination can cause this error.
  Queue Management Issues: If the queue is not properly managed or if there are issues with the message queue, it can lead to send errors.
  Resource Limitations: Insufficient system resources (like memory or CPU) can affect the ability to send messages.
  System Load: High load on the system can lead to timeouts or failures in processing messages.
  Version Compatibility: Incompatibility between different versions of SAP systems can also lead to communication errors.
  
  Solutions to KX955 Error
  
  Check Network Connectivity: Ensure that there are no network issues between the systems. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review CPI-C Configuration: Verify the CPI-C settings in the SAP system. Ensure that the configuration is correct and matches the expected settings for communication.
  Monitor Queue Management: Check the status of the message queues. Use transaction codes like SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to monitor and manage queues.
  Check System Resources: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scaling resources.
  Review Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Update SAP System: Ensure that your SAP system is up to date with the latest patches and updates, as these can resolve known issues.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMQ1, SMQ2, SM21, and ST22 for monitoring queues and logs.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  Documentation: Review SAP documentation related to CPI-C and message queues for best practices and configuration guidelines.
  
  By following these steps, you should be able to diagnose and resolve the KX955 error effectively.