Question / Help Black line

[DbzAndChillz]

Hey!
Today i just needed help on a small thing which is when i record there is a black line under my video.
If u know how to fix it please tell me. :)

Thanks!

Here Is a logfile if you want to take a look at it:https://gist.github.com/1e6a7089da2c7a0603ed886c2685cd83