SketchUp started crashing just before the finish line

Hi there, I’m using the Web version so yes it’s a Beta and issues to be expected but still…
My model is super slow and crashing within a few simple actions like “paint”. The model size is 110 MB so not too bad. HELP!
The screen turns white saying “This page is having a problem. Try coming back to it later.” Then when I push the Refresh button I am back on the Home screen.
Any advice?

If no solution, at least I would be interested to know what is the issue?

In my books, that is bad, 10 times bigger than what I make. At least try purging unused.