When I try to install the upload extension, my website went wrong. And after uninstalling it, web is ok.
here are the info:
PHP Fatal error: Uncaught ReflectionException: Class GuzzleHttp\Client does not exist in /var/www/html/vendor/illuminate/container/Container.php:838
Stack trace:
#0 /var/www/html/vendor/illuminate/container/Container.php(838): ReflectionParameter->getClass()
#1 /var/www/html/vendor/illuminate/container/Container.php(807): Illuminate\Container\Container->resolveDependencies(Array)
#2 /var/www/html/vendor/illuminate/container/Container.php(658): Illuminate\Container\Container->build('FoF\Upload\Down...')
#3 /var/www/html/vendor/illuminate/container/Container.php(609): Illuminate\Container\Container->resolve('FoF\Upload\Down...', Array)
#4 /var/www/html/vendor/flarum/core/src/Foundation/Application.php(521): Illuminate\Container\Container->make('FoF\Upload\Down...', Array)
#5 /var/www/html/vendor/fof/upload/src/Providers/DownloadProvider.php(18): Flarum\Foundation\Application->make('FoF\Upload\Down...')
#6 /var/www/html/vendor/flarum/core/src/Foundation/Application.php(382): FoF\Upload\Providers\DownloadProvider->registe in /var/www/html/vendor/illuminate/container/Container.php on line 838