How To Fix STC_TM201 - Task '&1' declares itself as predecessor

SAP Error Message - Details

• Message type: E = Error

• Message class: STC_TM - Task List Manager Messages

• Message number: 201

• Message text: Task '&1' declares itself as predecessor

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message STC_TM201 - Task '&1' declares itself as predecessor ?

  The SAP error message STC_TM201 indicates that a task in the SAP Transport Management System (TMS) is incorrectly configured to declare itself as a predecessor. This situation typically arises when a task is set up in a way that it depends on itself, which creates a logical inconsistency.
  Cause:
  The error occurs when:
  
  A task is defined in such a way that it lists itself as a predecessor in its own configuration.
  This can happen due to incorrect manual configuration or a mistake in the task definition.
  
  Solution:
  To resolve the STC_TM201 error, follow these steps:
  
  
  Check Task Configuration:
  
  Go to the transaction code STC01 (or STC02 for task management).
  Locate the task that is causing the error.
  Review the task's predecessor settings to ensure that it does not list itself as a predecessor.
  
  
  
  Modify the Task:
  
  If you find that the task is incorrectly referencing itself, remove it from the predecessor list.
  Save the changes.
  
  
  
  Re-run the Task:
  
  After correcting the predecessor settings, try to execute the task again to see if the error persists.
  
  
  
  Check for Other Dependencies:
  
  Ensure that there are no other circular dependencies in the task configuration that could lead to similar issues.
  
  
  
  Consult Documentation:
  
  If you are unsure about the task configuration, refer to SAP documentation or consult with your SAP Basis or development team for best practices in task management.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  STC01: Task Management
  STC02: Task Overview
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on task management and configuration.
  Transport Management System (TMS): Understanding how TMS works and how tasks are structured can help prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the STC_TM201 error and ensure that your task configurations are correct.