How To Fix SQ105 - Queue & CPI-C DEALLOCATE error &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 105

• Message text: Queue & CPI-C DEALLOCATE 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 SQ105 - Queue & CPI-C DEALLOCATE error & ?

  The SAP error message SQ105, which indicates a "Queue & CPI-C DEALLOCATE 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 there are problems with the connection to the message queue or when the system is unable to deallocate resources properly.
  Causes of SQ105 Error
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication failures.
  Resource Limitations: The system may be running out of resources (e.g., memory, processes) to handle the requests.
  Configuration Errors: Incorrect configuration settings in the SAP system or in the CPI-C settings can lead to this error.
  Queue Management Issues: Problems with the message queue, such as corruption or mismanagement of messages, can trigger this error.
  System Load: High system load or performance issues can prevent proper processing of requests.
  
  Solutions
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP systems. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review System Resources: Monitor the system's resource usage (CPU, memory, etc.) to ensure that it is not overloaded. If necessary, optimize the system or increase resources.
  Verify Configuration: Check the CPI-C configuration settings in both the sender and receiver systems. Ensure that they are correctly set up according to SAP documentation.
  Queue Management: Investigate the message queue for any issues. You may need to clear or reset the queue if it is corrupted or mismanaged.
  System Logs: Review the system logs (transaction SM21) 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 temporary issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  Related Information
  
  CPI-C Protocol: Understand the CPI-C protocol and how it is used for communication between SAP systems. Familiarize yourself with its configuration and management.
  SAP Basis Administration: Knowledge of SAP Basis administration can be beneficial, as many of these issues are related to system configuration and resource management.
  Monitoring Tools: Utilize SAP monitoring tools (like CCMS) to keep an eye on system performance and message queues.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.