How To Fix OD183 - Nomination number &1 created on &2 with tech key &3 could not be locked.

SAP Error Message - Details

• Message type: E = Error

• Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages

• Message number: 183

• Message text: Nomination number &1 created on &2 with tech key &3 could not be locked.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OD183 - Nomination number &1 created on &2 with tech key &3 could not be locked. ?

  The SAP error message OD183 indicates that a nomination number could not be locked due to a technical issue. This error typically occurs in the context of the SAP Oil and Gas (OG) module, particularly when dealing with nominations in the logistics or supply chain processes.
  Cause:
  
  Concurrency Issues: The most common cause of this error is that another user or process is currently accessing or modifying the same nomination number. SAP uses locks to prevent data inconsistencies, and if a lock cannot be obtained, this error is triggered.
  Database Locking: The database may have a lock on the nomination number due to a previous transaction that has not yet been completed or released.
  Technical Issues: There may be underlying technical issues with the SAP system, such as performance problems or configuration issues that prevent the locking mechanism from functioning correctly.
  
  Solution:
  
  Check for Active Sessions: Verify if another user is currently working on the same nomination. You can use transaction codes like SM12 (to check for locks) and SM21 (to check system logs) to identify any active sessions that might be causing the lock.
  Wait and Retry: If the lock is due to another user, you may need to wait for that user to complete their transaction and then try again.
  Release Locks: If you find that a lock is held unnecessarily (e.g., due to a user session that has been abandoned), you can manually release the lock using transaction SM12, but be cautious as this can lead to data inconsistencies if not handled properly.
  Check System Performance: If the issue persists, check the overall performance of the SAP system. Look for any performance bottlenecks or issues that might be affecting the locking mechanism.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (to view system logs), and ST22 (to check for dumps).
  User Training: Ensure that users are trained on how to properly handle nominations and understand the implications of concurrent access.
  System Configuration: Review the configuration settings related to locking mechanisms in your SAP system to ensure they are set up correctly.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.