3420180 - Manage purchase contracts authorisation error with blank plant

A business user is assigned a business role that is restricted to a particular plant or plants.
When creating a Purchase Contract in the APP Manage Purchase Contracts, an authorization error is raised 
or the material description may be missing.  

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental." 

SAP S/4HANA Cloud Public Edition

werks, blank plant, Authorization error  , KBA , MM-FIO-PUR-SQ-CON , Fiori UI for Manage Purchase Contracts , Problem