Question / Help When I *record* using a video capture device, it lags pretty badly

[Multiverse]

I'm pretty new to OBS so I'm pretty confused, anyways the moment I hit record, it starts to lag. Before I hit record, everything is perfect with 0 lag.

Here is the log file:

https://obsproject.com/logs/6dyM1dF8KLvujuEg

Thanks.