Php artisan serve in laravel

Question

I am new in laravel development. I am using latest version 9 of laravel, when I write php artisan serve in git bash or in VS code terminal after sometime it gives an error. I attached a screenshot of an error.

Answer 1

run php artisan optimize command

Answer 2

composer install
composer update
php artisan optimize:clear

This will clear all the cache of the application