How To Fix BC_DATAMODEL_SERVICE153 - This flight entry cannot be locked (table SFLIGHT)

SAP Error Message - Details

• Message type: E = Error

• Message class: BC_DATAMODEL_SERVICE - BC Training (All Courses)

• Message number: 153

• Message text: This flight entry cannot be locked (table SFLIGHT)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BC_DATAMODEL_SERVICE153 - This flight entry cannot be locked (table SFLIGHT) ?

  The SAP error message BC_DATAMODEL_SERVICE153 indicates that a specific flight entry in the SFLIGHT table cannot be locked. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the same flight entry, preventing your session from obtaining a lock.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected, causing other transactions to fail when trying to access the same data.
  Database Locking Issues: There may be issues with the database locking mechanism, which can prevent locks from being acquired properly.
  User Authorization: The user may not have the necessary authorizations to lock the entry in the SFLIGHT table.
  
  Solutions:
  
  Wait and Retry: If the issue is due to concurrent access, waiting for a short period and then retrying the operation may resolve the issue.
  Check for Active Sessions: Use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify if another session is holding the lock. If you find a session that is holding the lock unnecessarily, you may need to contact the user or administrator to resolve it.
  Optimize Transactions: If long-running transactions are common, consider optimizing the processes to reduce the time they hold locks.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the operation on the SFLIGHT table.
  Database Administration: If the problem persists, it may require intervention from a database administrator to check for any underlying issues with the database locking mechanism.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to view system logs), and SE11 (to view table definitions).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for best practices on handling database locks and concurrent access scenarios.
  
  If the issue continues after trying the above solutions, it may be beneficial to escalate the matter to your SAP Basis team or support for further investigation.