Your requirements could not be resolved to an installable set of packages. Problem 1 - laravel/ui[v2.5.0, ..., 2.x-dev] require illuminate/console ^7.0 -> found illuminate/console[v7.0.0, ..., 7.x-dev] but it conflicts with another require. code example

Example 1: composer require laravel/ui laravel 7

composer require laravel/ui:^2.4

Example 2: composer require laravel/ui laravel 7

// Generate basic scaffolding...
php artisan ui bootstrap
php artisan ui vue
php artisan ui react

// Generate login / registration scaffolding...
php artisan ui bootstrap --auth
php artisan ui vue --auth
php artisan ui react --auth