Laravel not laoding vue js and css

i looked already in every question and couldn’t find a solution for my problem
I am looking forward to your help.
My Problem: i use Laravel 8 and tried to implement Laravel Chatter and now it’s working partly but the vue css and vue js is not loading…every normal css and js is loading Screenshot here please help me to fix this.. Heres is a screenshot from browser dev tools Screenshot from browser dev tools
Vue is already binded in app.js and everything is done
Thanks!
Greets LaviS