Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1040] Too many connections in /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Connection.php:712 Stack trace: #0 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Connection.php(712): PDO->__construct() #1 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Connection.php(631): yii\db\Connection->createPdoInstance() #2 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Connection.php(1032): yii\db\Connection->open() #3 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Connection.php(1019): yii\db\Connection->getMasterPdo() #4 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Command.php(258): yii\db\Connection->getSlavePdo() #5 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Command.php(1160): yii\db\Command->prepare() #6 /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Command.php(407): yii\db\Command->queryInternal() #7 /www/wwwroot/purelayouts/common/config/bootstrap.php(35): yii\db\Command->queryAll() #8 /www/wwwroot/purelayouts/appfront/web/index.php(30): require('/www/wwwroot/p in /www/wwwroot/purelayouts/vendor/yiisoft/yii2/db/Connection.php on line 642