3.4 Everything is red in viewport 2.0

my vray materials not showing up correctly sometimes. they appear streched at viewport but renders right. and also i never saw vray sun and sky or vray light previews, shadows on viewport and i really want to see them if it’s possible like you mentioned. i am at open gl legacy profile at maya 2016.5. any special things to do to see the lights and shadows at viewport? and ofc “show shadows” are on in viewport.