Fail to upgrade from v2 to v3

Hey guys after running

composer require filament/upgrade:"^3.0-stable" -W --dev
vendor/bin/filament-v3

composer require filament/upgrade:"^3.0-stable" -W --dev
vendor/bin/filament-v3

and trying to run

php artisan filament:install

php artisan filament:install

i get this error

Class "Filament\PanelProvider" not found

Class "Filament\PanelProvider" not found

Fail to upgrade from v2 to v3 - Filament