The top left logo doesn't appear and even if i choose a custom one it doesn't appear too. I didn't change almost anything, I installed the theme, imported the demo and selected the "Classic Homepage".
Attached files: tractor-logo-problem.png
I have checked and see your page is loading our old demo image and it is not available now.
Please edit your page, scroll down to bottom to check page option section logo.
How to Customize the Style of Header/ Footer/ Top Bar?