Fatal error: Uncaught Error: Class 'PDO' not found in /home/staghiyev/public_html/vendor/yiisoft/yii2/di/Container.php:383 Stack trace: #0 /home/staghiyev/public_html/vendor/yiisoft/yii2/di/Container.php(383): ReflectionClass->newInstanceArgs(Array) #1 /home/staghiyev/public_html/vendor/yiisoft/yii2/di/Container.php(156): yii\di\Container->build('yii\\db\\Command', Array, Array) #2 /home/staghiyev/public_html/vendor/yiisoft/yii2/BaseYii.php(349): yii\di\Container->get('yii\\db\\Command', Array, Array) #3 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php(727): yii\BaseYii::createObject(Array) #4 /home/staghiyev/public_html/common/config/params.php(12): yii\db\Connection->createCommand('SELECT alias,de...') #5 /home/staghiyev/public_html/frontend/config/main.php(4): require('/home/staghiyev...') #6 /home/staghiyev/public_html/frontend/web/index.php(14): require('/home/staghiyev...') #7 {main} thrown in /home/staghiyev/public_html/vendor/yiisoft/yii2/di/Container.php on line 383