Yii2 Elfinder http 500 error?

Question

Yii

Put https://github.com/MihailDev/yii2-elfinder along with https://github.com/MihailDev/yii2-ckeditor here is the config

'controllerMap' => [
        'elfinder' => [
            'class' => 'mihaildev\elfinder\Controller',
            'access' => ['@'], //глобальный доступ к фаил менеджеру @ - для авторизорованных , ? - для гостей , чтоб открыть всем ['@', '?']
            'disabledCommands' => ['netmount'], //отключение ненужных команд https://github.com/Studio-42/elFinder/wiki/Client-configuration-options#commands
            'roots' => [
                [
                    'baseUrl'=>'@web',
                    'basePath'=>'@frontend/web/upload/global',
                    'path' => 'files/global',
                    'name' => 'Global'
                ],
                [
                    'class' => 'mihaildev\elfinder\volume\UserPath',
                    'path'  => 'files/user_{id}',
                    'name'  => 'My Documents'
                ],
                [
                    'path' => 'files/some',
                    'name' => ['category' => 'my','message' => 'Some Name'] //перевод Yii::t($category, $message)
                ],
                [
                    'path'   => 'files/some',
                    'name'   => ['category' => 'my','message' => 'Some Name'], // Yii::t($category, $message)
                    'access' => ['read' => '*', 'write' => 'UserFilesAccess'] // * - для всех, иначе проверка доступа в даааном примере все могут видет а редактировать могут пользователи только с правами UserFilesAccess
                ]
            ],
           // 'watermark' => [
             //   'source'         => __DIR__.'/logo.png', // Path to Water mark image
              //  'marginRight'    => 5,          // Margin right pixel
               // 'marginBottom'   => 5,          // Margin bottom pixel
               // 'quality'        => 95,         // JPEG image save quality
               // 'transparency'   => 70,         // Water mark image transparency ( other than PNG )
               // 'targetType'     => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP, // Target image formats ( bit-field )
                //'targetMinPixel' => 200         // Target image minimum pixel size
        //    ]
        ]
    ],

and gives the error "Could not connect to the server. HTTP error 500", in the debugger link here

http://www.backend.tests.dev/elfinder/connect?_csrf-backend=X1VMM2RTRHMuIBxnVAsHHw9sBx4mIy5FNz8CXQYWITdnMh5hESkRMQ%3D%3D&mimes%5B%5D=image&cmd=open&target=&init=1&tree=1&_=149131893056

server local
what's wrong?

Answer 1

what about in the php logs?

Answer 2

In my case, inheritance was from Object, which was invalid as of PHP 7.2, and was replaced by BaseObject after 2.0.13.
Just changing
on the

SomeClass extends yii\base\BaseObject