Comment by AusiasTsel

That's a React hydration mismatch. I'm aware of it but hadn't seen it block functionality before. Thanks for flagging that it does for you. Can I ask: when you load the page, do you see the language selector (a dropdown/search where you pick languages like English, French, etc.)? The search button only activates after selecting at least one language — if the hydration error is breaking the selector, that would explain why the button seems unclickable. I'm looking into it right now. What Chrome version are you on?