How To Fix 29655 - Task list type & is already linked to another object type

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 655

• Message text: Task list type & is already linked to another object type

What causes this issue?

You want to link task list type &V1& to an object type.
You cannot link a task list type to more than one object type, so you
can no longer create this link.

How to fix this error?

Please check the links between task list types and object types.
Correct the links if appropriate.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29655 - Task list type & is already linked to another object type ?

  The SAP error message 29655, which states "Task list type & is already linked to another object type," typically occurs when you are trying to link a task list (such as a maintenance task list or a production task list) to an object type (like a piece of equipment or a functional location) that is already associated with a different object type. This can happen in various SAP modules, particularly in Plant Maintenance (PM) or Production Planning (PP).
  Cause:
  
  Existing Link: The task list you are trying to link is already associated with another object type. For example, if a maintenance task list is already linked to a piece of equipment, you cannot link it to a functional location or another piece of equipment without first removing the existing link.
  Data Integrity Rules: SAP enforces data integrity rules to prevent conflicts and ensure that task lists are not misused or incorrectly assigned.
  
  Solution:
  
  
  Check Existing Links: 
  
  Use transaction codes like IA05 (for maintenance task lists) or IA06 to check the current assignments of the task list. Identify where the task list is currently linked.
  
  
  
  Remove Existing Link:
  
  If you need to reassign the task list, you will first need to unlink it from the current object. This can typically be done using the same transaction code where you checked the links.
  Navigate to the task list and remove the existing assignment.
  
  
  
  Reassign the Task List:
  
  After unlinking, you can now link the task list to the desired object type.
  
  
  
  Consult Documentation: 
  
  If you are unsure about the implications of unlinking a task list, consult your organization's documentation or SAP help resources to understand the impact on maintenance plans or production processes.
  
  
  
  Authorization Check: 
  
  Ensure that you have the necessary authorizations to make changes to task lists and their assignments.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IA01 (Create Maintenance Task List), IA02 (Change Maintenance Task List), and IA05 (Display Maintenance Task List).
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  User Roles: Ensure that the user role has the necessary permissions to modify task lists and their assignments.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP's official documentation for further assistance.