Error Exception page isn't working

[vishalmicrolevel]

Hello

The error exception page is not working.
when an error came the page isn't working message came and did not display any errors.

I have "laravel/framework": "^8.26.1",
please give me a solution.

[Cellard]

See https://laravel.com/docs/9.x/errors#custom-http-error-pages

[perisicnikola37]

Set APP_DEBUG to true in your .env file