An Error occurred while handling another error:
exception 'yii\base\InvalidConfigException' with message 'The directory is not writable by the Web process: /data/php2/group_web/web/assets' in /data/php2/group_web/vendor/yiisoft/yii2/web/AssetManager.php:215
Stack trace:
#0 /data/php2/group_web/vendor/yiisoft/yii2/base/BaseObject.php(109): yii\web\AssetManager->init()
#1 [internal function]: yii\base\BaseObject->__construct(Array)
#2 /data/php2/group_web/vendor/yiisoft/yii2/di/Container.php(375): ReflectionClass->newInstanceArgs(Array)
#3 /data/php2/group_web/vendor/yiisoft/yii2/di/Container.php(156): yii\di\Container->build('yii\\web\\AssetMa...', Array, Array)
#4 /data/php2/group_web/vendor/yiisoft/yii2/BaseYii.php(349): yii\di\Container->get('yii\\web\\AssetMa...', Array, Array)
#5 /data/php2/group_web/vendor/yiisoft/yii2/di/ServiceLocator.php(137): yii\BaseYii::createObject(Array)
#6 /data/php2/group_web/vendor/yiisoft/yii2/base/Module.php(742): yii\di\ServiceLocator->get('assetManager', true)
#7 /data/php2/group_web/vendor/yiisoft/yii2/base/Application.php(608): yii\base\Module->get('assetManager')
#8 /data/php2/group_web/vendor/yiisoft/yii2/web/View.php(225): yii\base\Application->getAssetManager()
#9 /data/php2/group_web/vendor/yiisoft/yii2/web/View.php(285): yii\web\View->getAssetManager()
#10 /data/php2/group_web/vendor/yiisoft/yii2/web/AssetBundle.php(125): yii\web\View->registerAssetBundle('app\\assets\\AppA...')
#11 /data/php2/group_web/views/layouts/main.php(13): yii\web\AssetBundle::register(Object(yii\web\View))
#12 /data/php2/group_web/vendor/yiisoft/yii2/base/View.php(336): require('/data/php2/grou...')
#13 /data/php2/group_web/vendor/yiisoft/yii2/base/View.php(254): yii\base\View->renderPhpFile('/data/php2/grou...', Array)
#14 /data/php2/group_web/vendor/yiisoft/yii2/base/Controller.php(399): yii\base\View->renderFile('/data/php2/grou...', Array, Object(app\controllers\SiteController))
#15 /data/php2/group_web/vendor/yiisoft/yii2/base/Controller.php(385): yii\base\Controller->renderContent('<div class="sit...')
#16 /data/php2/group_web/vendor/yiisoft/yii2/web/ErrorAction.php(139): yii\base\Controller->render('error', Array)
#17 /data/php2/group_web/vendor/yiisoft/yii2/web/ErrorAction.php(118): yii\web\ErrorAction->renderHtmlResponse()
#18 [internal function]: yii\web\ErrorAction->run()
#19 /data/php2/group_web/vendor/yiisoft/yii2/base/Action.php(94): call_user_func_array(Array, Array)
#20 /data/php2/group_web/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\Action->runWithParams(Array)
#21 /data/php2/group_web/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller->runAction('error', Array)
#22 /data/php2/group_web/vendor/yiisoft/yii2/web/ErrorHandler.php(108): yii\base\Module->runAction('site/error')
#23 /data/php2/group_web/vendor/yiisoft/yii2/base/ErrorHandler.php(111): yii\web\ErrorHandler->renderException(Object(yii\web\NotFoundHttpException))
#24 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\web\NotFoundHttpException))
#25 {main}
Previous exception:
exception 'yii\base\InvalidRouteException' with message 'Unable to resolve the request "about/center/year".' in /data/php2/group_web/vendor/yiisoft/yii2/base/Module.php:537
Stack trace:
#0 /data/php2/group_web/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('about/center/ye...', Array)
#1 /data/php2/group_web/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#2 /data/php2/group_web/web/index.php(12): yii\base\Application->run()
#3 {main}

Next exception 'yii\web\NotFoundHttpException' with message 'Page not found.' in /data/php2/group_web/vendor/yiisoft/yii2/web/Application.php:115
Stack trace:
#0 /data/php2/group_web/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#1 /data/php2/group_web/web/index.php(12): yii\base\Application->run()
#2 {main}