How To Fix DIWP1227 - Task list cannot be inserted as subord. task list because of recursion

SAP Error Message - Details

• Message type: E = Error

• Message class: DIWP1 - Revision Planning

• Message number: 227

• Message text: Task list cannot be inserted as subord. task list because of recursion

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DIWP1227 - Task list cannot be inserted as subord. task list because of recursion ?

  The SAP error message DIWP1227 indicates that there is an attempt to insert a task list as a subordinate task list, but this operation is being blocked due to recursion. This typically occurs when a task list is trying to reference itself directly or indirectly, which can create an infinite loop in task execution.
  Cause:
  
  Self-Referencing: The task list is trying to include itself as a subordinate task list.
  Indirect Recursion: The task list may be referencing another task list that eventually references the original task list, creating a circular dependency.
  Incorrect Configuration: There may be a misconfiguration in the task list hierarchy or structure.
  
  Solution:
  
  Check Task List Structure: Review the task list to ensure that it does not reference itself directly or indirectly. 
  Modify Dependencies: If there are other task lists involved, check their dependencies and ensure that they do not create a circular reference.
  Reorganize Task Lists: If necessary, reorganize the task lists to eliminate any recursive relationships.
  Use Different Task Lists: If you need to include a task list as a subordinate, consider using a different task list that does not create recursion.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on task list configurations and limitations.
  
  Related Information:
  
  Task Lists in SAP: Task lists are used in various SAP modules (like PM, PS, etc.) to manage and execute a series of tasks in a structured manner.
  Error Handling: Understanding how to handle and troubleshoot errors in SAP can help in resolving issues efficiently.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on task list configurations.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with an SAP expert or support team for further assistance.