How To Fix CM_EAM_TL_API198 - Non-stock material already assigned to task list operation &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EAM_TL_API - Message class for eam task list API

• Message number: 198

• Message text: Non-stock material already assigned to task list operation &1

What causes this issue?

You have selected a non-stock material without material number from the
structure list and want to assign it to task list operation &V1&.
However, this is not possible, because the non-stock material has
already been assigned to this task list operation.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Select this non-stock material on the <LS>Materials</> tab page in the
<LS>Operation Details</> and increase the quantity, if needed.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EAM_TL_API198 - Non-stock material already assigned to task list operation &1 ?

  The SAP error message CM_EAM_TL_API198 indicates that a non-stock material is already assigned to a task list operation in the system. This typically occurs in the context of maintenance planning and execution, where materials are linked to specific operations in a task list.
  
  Cause:
  
  Non-Stock Material Assignment: The error arises when you attempt to assign a non-stock material (a material that is not managed in inventory) to an operation in a task list, but that material is already linked to another operation or task list.
  Task List Configuration: The task list may have restrictions or configurations that prevent the same non-stock material from being assigned to multiple operations.
  Data Integrity Issues: There may be inconsistencies in the data or configuration settings that lead to this error.
  
  
  Solution:
  
  Check Existing Assignments: Review the task list and operations to see where the non-stock material is already assigned. You can do this by navigating to the task list in