you can mostly likely reproduce these errors in your machine with next build so you don't need to wait until you push to vercel to check if your apps build correctly. regarding the error it's probably because you are trying to read document during the pre-rendering step which runs in the server so this variable is not defined, you can only use this variable inside an useEffect or in a code path that doesn't run in the server

Got it bro, I'll test it on my machine then. Regarding the error, I'll look for it in my application later and let you know if I can't solve it. Thank you very much.

bro, i don't understand this error, don't exist 'document' in this file, i am confuse hahahhaha thank you very much

This is the repo of the project: https://github.com/felipecepluki/felipecepluki.com

you call new ClipboardJS('.btn') outside event handlers/useEffect. this ClipboardJS requires access to the DOM which it doesn't have

add it inside useEffect

useEffect(() => {
  new ClipboardJS('.btn')
}, [])

ok bro, thanks

it's worked, sorry for not say