Cannot install dependancies with Laravel 6.9

Img trying to install de the debugbar from https://github.com/barryvdh/laravel-debugbar by doing : composer require barryvdh/laravel-debugbar –dev I got this result I dont understand : c:\wamp64\www\blog>php artisan –version Laravel Framework 6.9.0 c:\wamp64\www\blog>composer require barryvdh/laravel-debugbar –dev Using version ^3.2 for barryvdh/laravel-debugbar ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements…

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