SAP Message AD_SUBCON036 - MIGO is not possible for the item - use MB01 or ADSUBCON for posting

Diagnosis
The selected purchase order contains one or more items forSubcontracting for MRO Processes.

Procedure
Uncheck the Item OK indicator for the item. To post goodsmovement for SAP Aerospace and Defense subcontracting items, use eithertransaction code MB01 or ADSUBCON.