Special stock & not supported in Warehouse Management

What causes this issue?

<GL:special_stock>Special stocks</> of type &V1& cannot be managed with
the WM system.

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?

You can only post the stock to a storage location that is not managed
using the WM system.
INCLUDE MB_NA_WERK_MIT_LVS_PRUEFEN

Error message extract from SAP system. Copyright SAP SE.