How to fix SAP error W4018?

What causes this issue? A WM quant or a WM transfer requirement still exists for the material.System Response The material cannot be deleted or archived.How to fix this error? Delete the WM quant or WM transfer requirement.Error message extract from SAP system. Copyright SAP SE.

How To Fix W4018 - &: & WM quant exists or WM transfer requirement exists

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W4018 - Overview

Message type: E = Error
Message class: W4 - Messages for material discontinuation
Message number: 018
Message text: &: & WM quant exists or WM transfer requirement exists
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What causes this issue?
A WM quant or a WM transfer requirement still exists for the material.
System Response
The material cannot be deleted or archived.
How to fix this error?
Delete the WM quant or WM transfer requirement.

Error message extract from SAP system. Copyright SAP SE.

W4018 - Details

Error Code: W4018
Error Message: &: & WM quant exists or WM transfer requirement exists

Summary
This warning indicates that there are existing Warehouse Management (WM) quants or open WM transfer requirements related to the material or storage location involved. The system prevents certain actions because these WM objects must be cleared or processed first.

Root Causes
There are still WM quants (stock units) physically present in the warehouse for the material/storage location.
Open WM transfer requirements or transfer orders exist that have not been confirmed or completed.
An attempt to delete or change stock/master data conflicts with existing WM stock or transfer documents.
Incomplete or inconsistent WM processes due to interrupted warehouse movements or system errors.
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