yii\base\ErrorException Object
(
    [message:protected] => session_write_close(): Write failed: No space left on device (28)
    [string:Exception:private] => 
    [code:protected] => 2
    [file:protected] => /var/www/html/edusuite/vendor/yiisoft/yii2/web/Session.php
    [line:protected] => 223
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [function] => handleError
                    [class] => yii\base\ErrorHandler
                    [type] => ->
                )

            [1] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/web/Session.php
                    [line] => 223
                    [function] => session_write_close
                )

            [2] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/web/Session.php
                    [line] => 241
                    [function] => close
                    [class] => yii\web\Session
                    [type] => ->
                )

            [3] => Array
                (
                    [file] => /var/www/html/edusuite/controllers/RegisterController.php
                    [line] => 53
                    [function] => destroy
                    [class] => yii\web\Session
                    [type] => ->
                )

            [4] => Array
                (
                    [function] => actionSchool
                    [class] => app\controllers\RegisterController
                    [type] => ->
                )

            [5] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/base/InlineAction.php
                    [line] => 57
                    [function] => call_user_func_array
                )

            [6] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/base/Controller.php
                    [line] => 181
                    [function] => runWithParams
                    [class] => yii\base\InlineAction
                    [type] => ->
                )

            [7] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/base/Module.php
                    [line] => 534
                    [function] => runAction
                    [class] => yii\base\Controller
                    [type] => ->
                )

            [8] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/web/Application.php
                    [line] => 104
                    [function] => runAction
                    [class] => yii\base\Module
                    [type] => ->
                )

            [9] => Array
                (
                    [file] => /var/www/html/edusuite/vendor/yiisoft/yii2/base/Application.php
                    [line] => 392
                    [function] => handleRequest
                    [class] => yii\web\Application
                    [type] => ->
                )

            [10] => Array
                (
                    [file] => /var/www/html/edusuite/index.php
                    [line] => 18
                    [function] => run
                    [class] => yii\base\Application
                    [type] => ->
                )

        )

    [previous:Exception:private] => 
    [severity:protected] => 2
)