SQLSTATE[28000] [1045] Access denied for user 'root'@'localhost' (using password: YES)<br><pre>#0 [internal function]: PDO->__construct()
#1 [internal function]: Phalcon\Db\Adapter\Pdo\AbstractPdo->connect()
#2 /home/udaisjqh/invigilatorpro.com/app/config/services.php(109): 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\Query->getReadConnection()
#11 [internal function]: Phalcon\Mvc\Model\Query->executeSelect()
#12 [internal function]: Phalcon\Mvc\Model\Query->execute()
#13 [internal function]: Phalcon\Mvc\Model::groupResult()
#14 /home/udaisjqh/invigilatorpro.com/app/controllers/IndexController.php(27): Phalcon\Mvc\Model::count()
#15 [internal function]: App\Controllers\IndexController->indexAction()
#16 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->callActionMethod()
#17 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch()
#18 /home/udaisjqh/invigilatorpro.com/public/index.php(21): Phalcon\Mvc\Application->handle()
#19 {main}</pre>