Can't complete even first step in tutorial "Create basic layouts"

Hi there!
Just moving from fr*mer to Webflow and trying to get it

Right now I have start tutorial “Create basic layouts” and can’t get them.
I’m trying to drag a Container to the page as hint tells but I still get errors.

Please help me and clarify what I’m doing wrong

Video with this (?) bug:

Just skip and start building, this tutorial is not super friendly, I remeber having hard time complete it when starting Webflow…

Got you, then I gonna start from scratch
Do you have any suggestions/tutorials to start from?

The Webflow University has a bunch of content you’ll probably find useful — but the Webflow 101 course below may be a good place to start: