Extra space on the right side in the designer

Hi there,

I was working on my project and everything was fine. I went to grab dinner and when I came back, very weirdly there is this extra space on the right side of my project near the designer which I am not sure why it is happening and am really confused. I would really really appreciate some help regarding this if possible :))

Here is my site Read-Only: (Webflow - Business Site)