Fatal error: Uncaught Error: Undefined constant Illuminate\Http\Request::HEADER_X_FORWARDED_ALL in /var/www/html/bootstrap/app.php:24 Stack trace: #0 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Configuration/ApplicationBuilder.php(281): {closure}(Object(Illuminate\Foundation\Configuration\Middleware)) #1 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(1521): Illuminate\Foundation\Configuration\ApplicationBuilder->Illuminate\Foundation\Configuration\{closure}(Object(Illuminate\Foundation\Http\Kernel), Object(Illuminate\Foundation\Application)) #2 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(1457): Illuminate\Container\Container->fireCallbackArray(Object(Illuminate\Foundation\Http\Kernel), Array) #3 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(1443): Illuminate\Container\Container->fireAfterResolvingCallbacks('Illuminate\\Cont...', Object(Illuminate\Foundation\Http\Kernel)) #4 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(934): Illuminate\Container\Container->fireResolvingCallbacks('Illuminate\\Cont...', Object(Illuminate\Foundation\Http\Kernel)) #5 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(1077): Illuminate\Container\Container->resolve('Illuminate\\Cont...', Array, true) #6 /var/www/html/vendor/laravel/framework/src/Illuminate/Container/Container.php(847): Illuminate\Foundation\Application->resolve('Illuminate\\Cont...', Array) #7 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(1057): Illuminate\Container\Container->make('Illuminate\\Cont...', Array) #8 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(1217): Illuminate\Foundation\Application->make('Illuminate\\Cont...') #9 /var/www/html/public/index.php(20): Illuminate\Foundation\Application->handleRequest(Object(Illuminate\Http\Request)) #10 {main} thrown in /var/www/html/bootstrap/app.php on line 24