How To Fix FKKBIX546 - Concurrent lock exists for at least one consumption item

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 546

• Message text: Concurrent lock exists for at least one consumption item

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKBIX546 - Concurrent lock exists for at least one consumption item ?

  The SAP error message FKKBIX546 indicates that there is a concurrent lock on at least one consumption item, which typically occurs in the context of financial transactions, particularly when dealing with consumption items in the SAP system. This error can arise when multiple users or processes attempt to access or modify the same data simultaneously, leading to a lock situation.
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same consumption item at the same time.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the consumption item, preventing other transactions from accessing it.
  System Configuration: Certain configurations in the SAP system may lead to more frequent locking situations, especially in high-volume environments.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for a few moments and then retry the transaction. The lock may be released once the other transaction completes.
  Identify the Lock: Use transaction code SM12 to check for existing locks. You can identify which user or process is holding the lock and take appropriate action.
  Terminate the Lock: If you have the necessary authorizations, you can delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other transaction is still in progress.
  Optimize Transactions: Review and optimize the transactions that are causing locks. This may involve breaking down long-running processes or scheduling them during off-peak hours.
  Increase System Resources: If locking issues are frequent, consider increasing system resources or optimizing the database to handle concurrent transactions more efficiently.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related issues.
  ST22: To analyze dumps that may provide insights into the locking issue.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking behavior in your specific version of SAP.
  Performance Monitoring: Use tools like ST03N to monitor performance and identify bottlenecks that may lead to locking issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.