How To Fix SXCO003 - Enqueue failed with return code &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: SXCO - Extension Common: Messages

• Message number: 003

• Message text: Enqueue failed with return code &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SXCO003 - Enqueue failed with return code &1. ?

  The SAP error message SXCO003 indicates that an enqueue operation has failed, and it typically occurs when there is an issue with locking objects in the SAP system. The return code provided in the error message can give more specific information about the nature of the failure.
  Causes of SXCO003 Error
  
  
  Lock Table Full: The enqueue lock table may be full, which means that there are too many locks being held, and no additional locks can be acquired.
  
  
  Deadlock Situation: A deadlock may have occurred, where two or more processes are waiting for each other to release locks, causing a standstill.
  
  
  Authorization Issues: The user or process attempting to acquire the lock may not have the necessary authorizations.
  
  
  System Performance Issues: High system load or performance issues can lead to timeouts or failures in acquiring locks.
  
  
  Database Issues: Problems with the underlying database, such as connectivity issues or resource limitations, can also lead to enqueue failures.
  
  
  Solutions to SXCO003 Error
  
  
  Check Lock Table Size: Increase the size of the enqueue lock table if it is full. This can be done by adjusting the parameter enque/table_size in the instance profile.
  
  
  Monitor Locks: Use transaction SM12 to monitor and manage locks. You can check for any locks that are no longer needed and release them if necessary.
  
  
  Analyze Deadlocks: Use transaction SM21 to check the system log for deadlock situations. You may need to analyze the processes involved and adjust your application logic to avoid deadlocks.
  
  
  Review Authorizations: Ensure that the user or process has the necessary authorizations to acquire the locks. You can check this using transaction SU53 to analyze authorization failures.
  
  
  System Performance: Monitor system performance using transaction ST03N or ST04 to identify any bottlenecks. If the system is under heavy load, consider optimizing the workload or increasing system resources.
  
  
  Database Health Check: Check the health of the database and ensure that it is functioning correctly. Look for any connectivity issues or resource constraints.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To view system logs for errors and deadlocks.
  ST03N: To analyze workload and performance.
  ST04: To monitor database performance.
  
  
  
  SAP Notes: Check SAP Notes related to enqueue issues for specific patches or updates that may address known problems.
  
  
  Documentation: Refer to SAP Help documentation for more details on enqueue mechanisms and troubleshooting steps.
  
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation.