How To Fix UPE1028 - Planning level &1 could not be locked for deletion process

SAP Error Message - Details

• Message type: E = Error

• Message class: UPE1 - Messages: Link to External Applications

• Message number: 028

• Message text: Planning level &1 could not be locked for deletion process

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPE1028 - Planning level &1 could not be locked for deletion process ?

  The SAP error message UPE1028 indicates that a specific planning level (identified by &1) could not be locked for the deletion process. This typically occurs in the context of SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO) when attempting to delete a planning level that is currently in use or locked by another process.
  Causes:
  
  Active Processes: The planning level may be actively used by another user or process, preventing it from being locked for deletion.
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. If another transaction has locked the planning level, it cannot be deleted until the lock is released.
  Authorization Issues: The user attempting to delete the planning level may not have the necessary authorizations to perform the deletion.
  System Configuration: There may be configuration settings that prevent the deletion of certain planning levels.
  
  Solutions:
  
  Check Active Sessions: Verify if there are any active sessions or processes that are using the planning level. You can use transaction codes like SM12 (to check locks) or SM66 (to view active processes) to identify any locks.
  Wait and Retry: If the planning level is locked by another user or process, wait for that process to complete and then try the deletion again.
  User Authorization: Ensure that the user has the necessary authorizations to delete the planning level. Check the user roles and permissions in the system.
  System Configuration Review: Review the configuration settings related to planning levels to ensure that there are no restrictions on deletion.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check for locks), SM21 (to view system logs), and ST22 (to check for dumps).
  SAP Notes: Search for SAP Notes related to error UPE1028 in the SAP Support Portal for any specific patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.