laravel error in processmaker after installation

[alirezaimi]

Hi
I installed processmaker and have this error in it that i think related to laravel (maybe !!) 👍

Fatal error: Uncaught TypeError: Argument 2 passed to Illuminate\Routing\UrlGenerator::__construct() must be an instance of Illuminate\Http\Request, null given, called in /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/RoutingServiceProvider.php on line 62 and defined in /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php:120 Stack trace: #0 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/RoutingServiceProvider.php(62): Illuminate\Routing\UrlGenerator->__construct(Object(Illuminate\Routing\RouteCollection), NULL, NULL) #1 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Container/Container.php(776): Illuminate\Routing\RoutingServiceProvider->Illuminate\Routing\{closure}(Object(App\Foundation\Application), Array) #2 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Container/Container.php(658): Illuminate\Container\Container->build(Object(Closure)) #3 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Container/Container.php(609): Il in /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php on line 120

Fatal error: Uncaught TypeError: Argument 2 passed to Illuminate\Routing\UrlGenerator::__construct() must be an instance of Illuminate\Http\Request, null given, called in /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/RoutingServiceProvider.php on line 62 and defined in /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php:120 Stack trace: #0 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/RoutingServiceProvider.php(62): Illuminate\Routing\UrlGenerator->__construct(Object(Illuminate\Routing\RouteCollection), NULL, NULL) #1 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Container/Container.php(776): Illuminate\Routing\RoutingServiceProvider->Illuminate\Routing\{closure}(Object(App\Foundation\Application), Array) #2 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Container/Container.php(658): Illuminate\Container\Container->build(Object(Closure)) #3 /opt/processmaker/vendor/laravel/framework/src/Illuminate/Container/Container.php(609): Il in /opt/processmaker/vendor/laravel/framework/src/Illuminate/Routing/UrlGenerator.php on line 120