How To Fix SQ104 - Queue & CPI-C RECEIVE error &

SAP Error Message - Details

• Message type: E = Error

• Message class: SQ - Queue Administration Transaction: Error Texts

• Message number: 104

• Message text: Queue & CPI-C RECEIVE error &

What causes this issue?

CPIC error in function INIT.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please check your CPIC connection or contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SQ104 - Queue & CPI-C RECEIVE error & ?

  The SAP error message SQ104, which indicates a "Queue & CPI-C RECEIVE error," typically relates to issues with the communication between SAP systems, particularly when using the CPI-C (Common Programming Interface Communication) protocol. This error can occur in various scenarios, such as when trying to process messages in a queue or when there are issues with the communication setup.
  Causes of SQ104 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 logical system settings in SAP can cause this error.
  Queue Issues: If the queue is not properly set up or if there are issues with the message processing in the queue, it can lead to this error.
  Resource Limitations: Insufficient resources (like memory or processing power) on the server can also lead to communication errors.
  System Load: High system load or performance issues can cause delays or failures in message processing.
  
  Solutions to SQ104 Error
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP systems. You can use tools like ping or traceroute to check connectivity.
  Review CPI-C Configuration: Verify the CPI-C configuration settings in both the sending and receiving systems. Ensure that the logical systems are correctly defined and that the CPI-C parameters are set up properly.
  Monitor Queue Status: Check the status of the queues involved. Use transaction codes like SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to monitor and manage queues.
  Check System Resources: Monitor the system resources (CPU, memory, etc.) to ensure that the system is not overloaded. If necessary, optimize the system performance or allocate more resources.
  Review Logs: Check the system logs (transaction SM21) and the CPI-C logs for any additional error messages or warnings that could provide more context about the issue.
  Restart Services: Sometimes, restarting the relevant services or the entire SAP system can resolve transient 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
  
  CPI-C Protocol: Understand the basics of the CPI-C protocol and how it is used for communication between SAP systems.
  SAP Basis Administration: Familiarize yourself with SAP Basis administration tasks, as many of the solutions involve system configuration and monitoring.
  Transaction Codes: Get comfortable with using transaction codes like SMQ1, SMQ2, and SM21 for monitoring queues and logs.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to diagnose and resolve the SQ104 error effectively.