when u go into the sky their is a Black bar across the map in the air

Put the summary of the bug you're having here
when u go into the air there is a black bar looking anywhere

What I expected to happen was...:
to not do that

Describe what you thought should happen here
There sould be no black bars

What actually happened was...:
the black bar appeared in the sky

Describe what happened here
the black bar appeared in the sky

Steps to Reproduce:
1. go high into the air
2. look straight
3. ...