Yii2 Urlmanager

why I am getting Missing argument 1 for backend/web/controller/update/6 ?

/config/main.php




    'urlManager'=>[

                'class' => 'yii\web\UrlManager',

                'showScriptName' => false,

                'enablePrettyUrl'=>true,

                'rules' => [

                    '<module:\w+>/<controller:\w+>/<action:\w+>/<id>' => '<module>/<controller>/<action>',

                    '<module:\w+>/<controller:\w+>/<action:\w+>/<page>' => '<module>/<controller>/<action>',

                    '<controller:\w+>/<id:\d+>' => '<controller>/view',

                    '<controller:\w+>/<action:\w+>/<id:\d+>' => '<controller>/<action>',

                    '<controller:\w+>/<action:\w+>' => '<controller>/<action>',

                ],

            ]

/web/.htaccess


Options +SymLinksIfOwnerMatch -MultiViews

    # Turn mod_rewrite on

    RewriteEngine On

    

    RewriteCond %{REQUEST_FILENAME} !-f

    RewriteCond %{REQUEST_FILENAME} !-d

    RewriteRule ^(.*)$ index.php?$1 [L,QSA]

    

    RewriteCond %{THE_REQUEST} ^[A-Z]{3,}\s(.*)/index\.php [NC]

    RewriteRule ^ %1 [R=301,L]