CMD+/ on MacBook Pro not working

CMD+/ is supposed to be the shortcut to comment out multiple lines. But it does nothing when I try to use it on my Macbook Pro (13 inch, M1, 2020). Other shortcuts with CMD are working fine. Any ideas what could be the cause of this issue?

Welcome to the forums, @tlemke!
Are you using Replit as your IDE, or another IDE (e.g. VS Code)?