Help sometimes the rendering is kinda bugged or sum.
#Rendering issue
floral shoal
ornate widget
I'd check the frame debugger to understand where that bright area originates from.
last veldt
It's called a NaN value, ultimately a shader error but you'll need to find out the cause
Custom shaders are the most likely to do it
Baked lightmapping might also, though I don't see any signs of you having baked lights
floral shoal
ok