Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Can't connect to local server through socket '/var/lib/mysql/mysql.sock' (111) in /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php:687 Stack trace: #0 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php(687): PDO->__construct('mysql:host=loca...', 'staghiyev_root', 'GMXzZZvENMKc', NULL) #1 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php(613): yii\db\Connection->createPdoInstance() #2 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php(996): yii\db\Connection->open() #3 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php(983): yii\db\Connection->getMasterPdo() #4 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Command.php(253): yii\db\Connection->getSlavePdo() #5 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Command.php(1143): yii\db\Command->prepare(true) #6 /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Command.php(399): yii\db\Command->queryInternal('fetchAll', NULL) #7 /hom in /home/staghiyev/public_html/vendor/yiisoft/yii2/db/Connection.php on line 624