Question / Help I have lag in the recording but not ingame

[Chebi15]

I don't know exactly what to do and i searched lots of videos and nothing helps.
This is how it looks
https://www.youtube.com/watch?v=PC6Y37GyOMc
you can see more clearly what i talk about in minute 16:05

 

[Narcogen]

Please post a log with your issue! Here's how...