Well, while hunting I found this syntax that worked for my query.
WHERE SO_SalesOrderDetail.ItemCode='S-205180' AND SO_SalesOrderHeader.OrderDate> {d'2022-06-01'}
The {d'2022-06-01'} solved this problem.
WHERE SO_SalesOrderDetail.ItemCode='S-205180' AND SO_SalesOrderHeader.OrderDate> {d'2022-06-01'}
The {d'2022-06-01'} solved this problem.