How To Fix IE037 - Equipment already assigned as a sub-equipment

IE037 - Overview

• Message type: E = Error

• Message class: IE - SAPLIEL2: Equipment hierarchies

• Message number: 037

• Message text: Equipment already assigned as a sub-equipment

What causes this issue?

You have selected a <GL:equipment>piece of equipment</> that has
already been allocated as a sub-piece of equipment to the
<GL:superior_equipment>superior equipment</>.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IE037 - Equipment already assigned as a sub-equipment ?

  The SAP error message IE037: Equipment already assigned as a sub-equipment typically occurs when you attempt to assign an equipment to a functional location or another piece of equipment, but that equipment is already assigned as a sub-equipment to another parent equipment. This can happen in the context of SAP Plant Maintenance (PM) or SAP Asset Management.
  
  Cause:
  
  Existing Assignment: The equipment you are trying to assign is already linked as a sub-equipment to another parent equipment. In SAP, each piece of equipment can only have one parent in the hierarchy.
  Hierarchy Constraints: SAP enforces a strict hierarchy for equipment assignments, meaning that an equipment cannot be a sub-equipment of multiple parent equipment simultaneously.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Current Assignments:
  
  Use transaction code IE03 (Display Equipment) to check the current assignments of the equipment in question. Look for the "Sub-Equipment" tab to see if it is already assigned to