Question / Help Game stuttering and lagging when I open OBS

[Philip Test]

When I open up OBS (Also happens when I'm not recording), and enter the game I am supposedly playing, the game starts to stutter, lag and slow down, and it's just a big mess. I have no idea what to do.
Log file: https://obsproject.com/logs/uH5AuvHw9jKHaH9c