I see a big circle shadow under main camera

Questions & Answers
1

I see this circle, look image 11887-screenshot-12.png

for me there is not an object that can show this shadow…i have read about invisible object, but my uniques invisible objects are invisible panel in ngui, they are made of several objects but no one have circle shape. what is the problem?

2

SOLVED IT WAS FOR BAD QUALITY SETTINGs

4

I just had to remove the directional light and add it again. Changing the settings made it stop casting any light at all. gotta love unity

3

It could be that the shadow distance is too small to cover all that is visible in view