Side Of Clip Being Blurred

[defaultl0xwlbudfulu]

I have been making a Fortnite montage, and when I add a clip to my timeline, I get this

Anyone know how to solve?

[Michael Grenadier]

what are your source properties and your sequence settings?  and do your sources all have a constant frame rate.  use mediainfo to check

https://mediaarea.net/en/MediaInfo/Download

If they have a variable frame rate, use handbrake to convert to a constant frame rate

https://handbrake.fr
and here's a tutorial on how to use handbrake
https://www.youtube.com/watch?time_continue=34&v=xlvxgVREX-Y