How To Fix BGRFC083 - Unit locked at runtime

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 083

• Message text: Unit locked at runtime

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC083 - Unit locked at runtime ?

  The SAP error message BGRFC083: Unit locked at runtime typically occurs in the context of the Background RFC (BGRFC) framework, which is used for asynchronous communication between different SAP systems or between different processes within the same system. This error indicates that a particular unit of work (or a BGRFC unit) is currently locked and cannot be processed.
  Causes:
  
  Concurrent Processing: The unit of work is being processed by another background job or transaction, leading to a lock.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold the lock longer than expected, causing other requests to fail.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  System Configuration Issues: Misconfiguration in the BGRFC settings or related parameters can lead to locking issues.
  
  Solutions:
  
  Check Running Jobs: Use transaction codes like SM37 to check for any running background jobs that might be holding the lock. If you find a job that is taking too long, you may need to analyze or terminate it.
  Monitor BGRFC Status: Use transaction SM58 to monitor the status of BGRFC calls. This can help identify if there are any stuck or failed calls that need to be addressed.
  Increase Timeout Settings: If the issue is due to long-running transactions, consider increasing the timeout settings for BGRFC.
  Release Locks: If you have identified a specific unit that is locked, you can manually release the lock using transaction SM12 (for lock entries) or SM21 (for system logs) to investigate further.
  Check for Deadlocks: If you suspect a deadlock, analyze the system logs and trace files to identify the processes involved and resolve the deadlock situation.
  System Configuration Review: Review the BGRFC configuration settings in transaction SMD or SCC4 to ensure they are set up correctly.
  
  Related Information:
  
  BGRFC Overview: Background RFC is a mechanism that allows asynchronous communication in SAP systems, which is crucial for performance and scalability.
  Transaction Codes:
  
  SM37: Monitor background jobs.
  SM58: Monitor BGRFC calls.
  SM12: Display and manage lock entries.
  SM21: View system logs.
  
  
  SAP Notes: Check SAP Notes related to BGRFC for any known issues or patches that may address the problem.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.