SQLSTATE[08004] [1040] Too many connections
#0 [internal function]: PDO->__construct() #1 [internal function]: Phalcon\Db\Adapter\Pdo\AbstractPdo->connect() #2 D:\Websites\dtn2.ou.edu.vn\backend\config\services.php(57): Phalcon\Db\Adapter\Pdo\AbstractPdo->__construct() #3 [internal function]: Closure->{closure}() #4 [internal function]: Phalcon\Di\Service->resolve() #5 [internal function]: Phalcon\Di\Di->get() #6 [internal function]: Phalcon\Di\Di->getShared() #7 [internal function]: Phalcon\Mvc\Model\Manager->getConnection() #8 [internal function]: Phalcon\Mvc\Model\Manager->getReadConnection() #9 [internal function]: Phalcon\Mvc\Model->getReadConnection() #10 [internal function]: Phalcon\Mvc\Model\MetaData\Strategy\Introspection->getMetaData() #11 [internal function]: Phalcon\Mvc\Model\MetaData->initializeMetaData() #12 [internal function]: Phalcon\Mvc\Model\MetaData->getMetaDataUniqueKey() #13 [internal function]: Phalcon\Mvc\Model\MetaData->readMetaData() #14 [internal function]: Phalcon\Mvc\Model\MetaData->hasAttribute() #15 [internal function]: Phalcon\Mvc\Model\Query->getQualified() #16 [internal function]: Phalcon\Mvc\Model\Query->getExpression() #17 [internal function]: Phalcon\Mvc\Model\Query->getExpression() #18 [internal function]: Phalcon\Mvc\Model\Query->_prepareSelect() #19 [internal function]: Phalcon\Mvc\Model\Query->parse() #20 [internal function]: Phalcon\Mvc\Model\Query->execute() #21 D:\Websites\dtn2.ou.edu.vn\backend\models\Privilege.php(169): Phalcon\Mvc\Model::findFirst() #22 D:\Websites\dtn2.ou.edu.vn\backend\middlewares\RouterMiddleware.php(55): Privilege::findFirst() #23 D:\Websites\dtn2.ou.edu.vn\backend\middlewares\RouterMiddleware.php(183): RouterMiddleware->setAuthorizeParam() #24 D:\Websites\dtn2.ou.edu.vn\backend\controllers\module\ClientController.php(8): RouterMiddleware->initialize() #25 [internal function]: ClientController->initialize() #26 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch() #27 D:\Websites\dtn2.ou.edu.vn\public\index.php(25): Phalcon\Mvc\Application->handle() #28 {main}