How To Fix 29825 - Session &: error reading/writing queue (see SYSLOG)

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 825

• Message text: Session &: error reading/writing queue (see SYSLOG)

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 29825 - Session &: error reading/writing queue (see SYSLOG) ?

  The SAP error message "29825 Session &: error reading/writing queue (see SYSLOG)" typically indicates an issue with the communication between the SAP application server and the message queue. This can occur in various scenarios, such as when there are problems with the background processing, issues with the message server, or network-related problems.
  Causes:
  
  Network Issues: Problems with the network connection between the application server and the message server can lead to this error.
  Message Queue Overload: If the message queue is overloaded or has too many messages, it may not be able to process new messages.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to communication problems.
  System Resource Limitations: Insufficient system resources (CPU, memory) can affect the performance of the message queue.
  Database Locking: If there are locks on the database that prevent reading or writing to the queue, this error may occur.
  Transport Layer Issues: Problems with the transport layer (e.g., RFC connections) can also lead to this error.
  
  Solutions:
  
  Check SYSLOG: The first step is to check the system log (SYSLOG) for more detailed error messages that can provide additional context about the issue.
  Monitor Network Connectivity: Ensure that there are no network issues between the application server and the message server. Use tools like ping or traceroute to diagnose connectivity problems.
  Review Message Queue Status: Check the status of the message queue to see if it is overloaded. You may need to clear or process messages that are stuck.
  Adjust Configuration Settings: Review and adjust the configuration settings related to the message server and background processing.
  Check System Resources: Monitor system resources (CPU, memory, disk space) to ensure that the server is not under heavy load.
  Database Locks: Investigate any database locks that may be affecting the message queue. You may need to resolve these locks to allow normal processing.
  Restart Services: In some cases, restarting the affected services (e.g., message server, application server) can resolve temporary issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SM21 (System Log), SM37 (Job Monitoring), and SM58 (Transactional RFC) to gather more information about the error.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with the details from the SYSLOG and any other relevant logs.
  
  By following these steps, you should be able to diagnose and resolve the error message 29825 in your SAP system.