How To Fix TFC0079 - Task list & on key date & cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: TFC0 - Messages in FC

• Message number: 079

• Message text: Task list & on key date & cannot be deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TFC0079 - Task list & on key date & cannot be deleted ?

  The SAP error message TFC0079 indicates that a task list cannot be deleted on a specified key date. This typically occurs in the context of task list management in SAP, particularly when dealing with maintenance plans or production planning.
  Cause:
  The error message TFC0079 can be triggered by several factors, including:
  
  
  Task List Status: The task list may be in a status that does not allow deletion. For example, if the task list is currently being processed or is locked by another user or transaction, it cannot be deleted.
  
  
  Key Date Constraints: The key date specified may fall within a period where the task list is still active or has been scheduled for execution. If there are planned orders, maintenance orders, or other dependent objects linked to the task list, it cannot be deleted.
  
  
  Dependencies: There may be dependencies or references to the task list in other areas of the system, such as maintenance plans, production orders, or other task lists.
  
  
  Solution:
  To resolve the TFC0079 error, you can take the following steps:
  
  
  Check Task List Status: Verify the status of the task list. If it is locked or in use, you may need to wait until it is released or unlocked.
  
  
  Review Key Date: Ensure that the key date you are trying to use for deletion is appropriate. If the task list is still active or has future scheduled activities, you may need to change the key date to a point where it is no longer relevant.
  
  
  Remove Dependencies: Check for any dependencies or references to the task list. If there are linked orders or plans, you may need to delete or modify those first before attempting to delete the task list.
  
  
  Use Transaction Codes: Utilize relevant transaction codes to check the status and dependencies of the task list. For example, you can use:
  
  IP03: Display Maintenance Plan
  IP02: Change Maintenance Plan
  CO02: Change Production Order
  
  
  
  Consult Documentation: Review SAP documentation or help resources for specific guidelines on managing task lists and understanding the implications of deletion.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to task lists, maintenance plans, and production orders.
  SAP Notes: Check SAP Notes for any known issues or patches related to the TFC0079 error.
  User Permissions: Ensure that you have the necessary permissions to delete task lists in your SAP environment.
  
  By following these steps, you should be able to identify the cause of the TFC0079 error and take appropriate action to resolve it.