How To Fix BUP_RELATIONS013 - Lock error; ENQUEUE_EBU_BUT050 triggers return code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: BUP_RELATIONS - BPR: Message Class for Relationship Segments

• Message number: 013

• Message text: Lock error; ENQUEUE_EBU_BUT050 triggers return code &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BUP_RELATIONS013 - Lock error; ENQUEUE_EBU_BUT050 triggers return code &1 ?

  The SAP error message BUP_RELATIONS013 indicates a lock error related to the Business Partner (BP) relationships. Specifically, the error occurs when the system attempts to enqueue (lock) a business partner object, but the lock cannot be obtained due to another process holding the lock.
  Cause:
  The error is triggered by the function module ENQUEUE_EBU_BUT050, which is responsible for locking business partner data. The return code (&1) indicates the specific reason for the lock failure. Common causes include:
  
  Another user or process is currently editing or has locked the business partner data.
  A long-running transaction is holding the lock, preventing other transactions from accessing the same data.
  The system may be experiencing a deadlock situation where two or more processes are waiting for each other to release locks.
  
  Solution:
  To resolve the lock error, you can take the following steps:
  
  
  Identify the Lock:
  
  Use transaction SM12 to check for existing locks on the business partner object. You can filter by the user or the object type to find the specific lock.
  
  
  
  Release the Lock:
  
  If you find a lock that is no longer needed (e.g., a user has left the session open), you can manually delete the lock entry in SM12. Be cautious when doing this, as it may disrupt the work of other users.
  
  
  
  Check for Long-Running Transactions:
  
  Investigate if there are any long-running transactions that might be holding the lock. You can use transaction SM66 to monitor active processes in the system.
  
  
  
  Retry the Operation:
  
  After resolving the lock issue, retry the operation that triggered the error.
  
  
  
  Implement Lock Handling in Code:
  
  If you are developing custom code that interacts with business partner data, ensure that you handle locks appropriately. Implement error handling to manage lock timeouts and retries.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional insights or patches related to this error. You can search for notes in the SAP Support Portal.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM66: Monitor global work processes.
  SE37: To view the function module ENQUEUE_EBU_BUT050 for further analysis.
  
  
  
  Documentation:
  
  Review SAP documentation on Business Partner management and locking mechanisms to understand how locks are managed in the system.
  
  
  
  Performance Considerations:
  
  If lock contention is a frequent issue, consider reviewing the design of your business processes to minimize the time locks are held, or evaluate the need for concurrent access to the same business partner data.
  
  
  
  By following these steps, you should be able to diagnose and resolve the lock error associated with the BUP_RELATIONS013 message.