2015-01-26 19:05:37 [216.174.116.178][-][-][warning][yii\log\Dispatcher::dispatch] Unable to send log via yii\debug\LogTarget: Exception (Invalid Configuration) 'yii\base\InvalidConfigException' with message 'The directory is not writable by the Web process: /var/www/html/api/web/assets'

in /var/www/html/api/vendor/yiisoft/yii2/web/AssetManager.php:168

Stack trace:
#0 /var/www/html/api/vendor/yiisoft/yii2/base/Object.php(107): yii\web\AssetManager->init()
#1 [internal function]: yii\base\Object->__construct(Array)
#2 /var/www/html/api/vendor/yiisoft/yii2/di/Container.php(362): ReflectionClass->newInstanceArgs(Array)
#3 /var/www/html/api/vendor/yiisoft/yii2/di/Container.php(147): yii\di\Container->build('yii\\web\\AssetMa...', Array, Array)
#4 /var/www/html/api/vendor/yiisoft/yii2/BaseYii.php(344): yii\di\Container->get('yii\\web\\AssetMa...', Array, Array)
#5 /var/www/html/api/vendor/yiisoft/yii2/di/ServiceLocator.php(133): yii\BaseYii::createObject(Array)
#6 /var/www/html/api/vendor/yiisoft/yii2/base/Application.php(600): yii\di\ServiceLocator->get('assetManager')
#7 /var/www/html/api/vendor/yiisoft/yii2/web/View.php(223): yii\base\Application->getAssetManager()
#8 /var/www/html/api/vendor/yiisoft/yii2/base/Component.php(130): yii\web\View->getAssetManager()
#9 /var/www/html/api/vendor/yiisoft/yii2-debug/panels/AssetPanel.php(53): yii\base\Component->__get('assetManager')
#10 /var/www/html/api/vendor/yiisoft/yii2-debug/LogTarget.php(55): yii\debug\panels\AssetPanel->save()
#11 /var/www/html/api/vendor/yiisoft/yii2-debug/LogTarget.php(112): yii\debug\LogTarget->export(Array)
#12 /var/www/html/api/vendor/yiisoft/yii2/log/Dispatcher.php(183): yii\debug\LogTarget->collect(Array, true)
#13 /var/www/html/api/vendor/yiisoft/yii2/log/Logger.php(170): yii\log\Dispatcher->dispatch(Array, true)
#14 [internal function]: yii\log\Logger->flush(true)
#15 {main}