Bug web: change strength against computer in custom position?

Hi there, I want to practice against the computer in a custom position. I found this support article explaining how to do this:
https://support.chess.com/en/articles/8572788-how-can-i-play-the-computer-from-a-custom-position

I can start playing against the computer from a default position, but the button that supposedly allows me to change the strength of the bot doesn't seem to work. As soon as I click the computer icon button both the evaluation bar disappears and the summary of the game on the right-hand side disappears. I can continue playing though, because they reappear when I make a move. But when I try to push the computer icon button again the same happens. So I am stuck against the strongest engine. Is this a known bug? Any workaround?

I tried this in both the Firefox and the Chrome browser.

It a known bug and staff are aware.

Hi @mlmuilwijk and @Martin_Stahl,

I had the same problem for a few days, but now it works well for me!

What about you?

Yes, it appears to be fixed now.

Yes, for me it is fixed too!