How To Fix BGRFC100 - No lock found for queue &1

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 100

• Message text: No lock found for queue &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC100 - No lock found for queue &1 ?

  The SAP error message BGRFC100 No lock found for queue &1 typically occurs in the context of the Background RFC (BGRFC) framework in SAP. This error indicates that the system is unable to find a lock for the specified queue, which can lead to issues in processing background RFC calls.
  Cause:
  
  Queue Locking Issues: The error usually arises when there is an attempt to process a queue that is not locked. This can happen if the queue was not properly initialized or if there was a failure in the locking mechanism.
  Queue Deletion: If the queue has been deleted or is in an inconsistent state, the system will not be able to find the lock.
  System Configuration: Misconfiguration in the BGRFC settings or issues with the underlying database can also lead to this error.
  Concurrency Issues: Multiple processes trying to access the same queue simultaneously can lead to locking conflicts.
  
  Solution:
  
  Check Queue Status: Use transaction SM58 to check the status of the BGRFC queues. Look for any queues that are in an error state or are not being processed.
  Reinitialize the Queue: If the queue is found to be in an inconsistent state, you may need to reinitialize it. This can often be done by deleting the problematic queue and allowing the system to recreate it.
  Check Locks: Use transaction SM12 to check for any existing locks that might be causing the issue. If there are stale locks, you may need to delete them.
  Review Configuration: Ensure that the BGRFC configuration is correct. Check the settings in transaction SMD (SAP Solution Manager Diagnostics) or SCC4 (Client Administration) to ensure that the BGRFC is properly set up.
  System Logs: Review the system logs (transaction SLG1) for any related error messages that might provide additional context or clues about the issue.
  Restart the BGRFC Process: Sometimes, simply restarting the BGRFC process can resolve transient issues. This can be done through transaction SMQS (for outbound queues) or SMQR (for inbound queues).
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  BGRFC: Background RFC is a mechanism in SAP that allows for asynchronous processing of RFC calls in the background, improving performance and reliability.
  Transaction Codes:
  
  SM58: Monitor RFC calls.
  SM12: Display and manage locks.
  SMQS: Monitor outbound queues.
  SMQR: Monitor inbound queues.
  SLG1: Display application logs.
  
  
  SAP Notes: Always check for the latest SAP Notes related to BGRFC and this specific error message for updates or patches that may resolve the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.