Laravel Horizon Laravel\Horizon\Http\Middleware\Authenticate

I am getting error for laravel horizon installation on ubuntu error is

Target class [authenticate] does not exist. {"exception":"[object] (Illuminate\Contracts\Container\BindingResolutionException(code: 0): Target class [authenticate] does not exist. at /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php:914)
[stacktrace]
#0 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php(795): Illuminate\Container\Container->build()
#1 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(933): Illuminate\Container\Container->resolve()
#2 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php(731): Illuminate\Foundation\Application->resolve()
#3 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(918): Illuminate\Container\Container->make()
#4 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(255): Illuminate\Foundation\Application->make()
#5 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(213): Illuminate\Foundation\Http\Kernel->terminateMiddleware()
#6 /var/www/orders_analytics/public/index.php(55): Illuminate\Foundation\Http\Kernel->terminate()
#7 {main}

[previous exception] [object] (ReflectionException(code: -1): Class \"authenticate\" does not exist at /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php:912)
[stacktrace]
#0 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php(912): ReflectionClass->__construct()
#1 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php(795): Illuminate\Container\Container->build()
#2 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(933): Illuminate\Container\Container->resolve()
#3 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Container/Container.php(731): Illuminate\Foundation\Application->resolve()
#4 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(918): Illuminate\Container\Container->make()
#5 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(255): Illuminate\Foundation\Application->make()
#6 /var/www/orders_analytics/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(213): Illuminate\Foundation\Http\Kernel->terminateMiddleware()
#7 /var/www/orders_analytics/public/index.php(55): Illuminate\Foundation\Http\Kernel->terminate()
#8 {main}
"}