How To Fix DPR_SHARED811 - Could not lock all tasks: Deletion is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_SHARED - Development Projects: Messages for Shared Objects

• Message number: 811

• Message text: Could not lock all tasks: Deletion is not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DPR_SHARED811 - Could not lock all tasks: Deletion is not possible ?

  The SAP error message DPR_SHARED811 indicates that the system is unable to lock all tasks for deletion, which means that the deletion process cannot be completed. This error typically occurs in the context of project management within SAP, particularly when dealing with project tasks in the SAP Project System (PS) or SAP Portfolio and Project Management (PPM).
  Causes:
  
  Active Locks: There may be other users or processes that currently have locks on the tasks you are trying to delete. This can happen if someone else is working on the same project or if there are background jobs that are accessing the same data.
  Incomplete Task Status: The tasks you are trying to delete may not be in a status that allows deletion. For example, if a task is in progress or has been completed, it may not be eligible for deletion.
  Dependencies: There may be dependencies or relationships with other tasks or projects that prevent deletion.
  Authorization Issues: The user may not have the necessary authorizations to delete the tasks.
  
  Solutions:
  
  Check Locks: Use transaction code SM12 to check for any active locks on the tasks. If you find locks that are not needed, you can release them (if you have the necessary authorizations).
  Review Task Status: Ensure that the tasks you are trying to delete are in a status that allows deletion. You may need to change the status of the tasks or complete any outstanding activities before deletion.
  Check Dependencies: Review the relationships between tasks to ensure that there are no dependencies preventing deletion. You may need to remove or adjust these dependencies.
  User Authorizations: Verify that you have the necessary authorizations to delete the tasks. If not, contact your SAP security administrator to request the appropriate permissions.
  Retry Deletion: After addressing the above issues, try to delete the tasks again.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJ02 (Change Project), and CJ03 (Display Project) to manage project tasks effectively.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message. You can search for notes in the SAP Support Portal.
  Documentation: Review SAP documentation related to project management and task handling for best practices and guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical support team for further investigation.