How To Fix RSQU031 - Error when reading from the qRFC queue: QSTATE = &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSQU - S-API after 4.0: Delta Queue, Real Time Update

• Message number: 031

• Message text: Error when reading from the qRFC queue: QSTATE = &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSQU031 - Error when reading from the qRFC queue: QSTATE = &1 ?

  The SAP error message RSQU031 indicates an issue with reading from a qRFC (queued Remote Function Call) queue. The message typically includes a state code (QSTATE = &1) that provides more context about the specific issue encountered. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Queue State Issues: The state of the queue may be in a problematic condition, such as being locked, inactive, or having errors that prevent processing.
  Configuration Problems: Incorrect configuration of the qRFC settings or the related RFC destinations can lead to this error.
  Network Issues: Connectivity problems between the systems involved in the qRFC communication can cause failures in reading from the queue.
  Resource Limitations: System resource limitations, such as memory or processing power, can affect the ability to read from the queue.
  Transaction Errors: Previous transactions that were not completed successfully may leave the queue in an inconsistent state.
  
  Solutions:
  
  Check Queue State: Use transaction code SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the state of the queue. Look for any entries that are in error or have a status that indicates a problem.
  Analyze the State Code: The state code provided in the error message can give specific insights. For example, if the state indicates a lock, you may need to unlock the queue or resolve the locking issue.
  Review Configuration: Ensure that the qRFC configuration is correct. Check the RFC destinations and ensure they are properly set up and reachable.
  Check System Resources: Monitor system resources to ensure that there are no bottlenecks affecting the processing of the queue.
  Reprocess Failed Entries: If there are entries in the queue that have failed, you may need to reprocess them. This can often be done through the same transaction codes mentioned above.
  Consult Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context on what went wrong.
  
  Related Information:
  
  Transaction Codes:
  
  SMQ1: Monitor outbound queues.
  SMQ2: Monitor inbound queues.
  SLG1: View application logs for detailed error messages.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to qRFC and the RSQU031 error.
  Documentation: Review SAP documentation on qRFC and error handling for more detailed guidance on managing queues and troubleshooting issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.