PDOException: SQLSTATE[HY000] [1040] Too many connections in /var/www/html/app/config/services.php:181
Stack trace:
#0 [internal function]: PDO->__construct()
#1 [internal function]: Phalcon\Db\Adapter\Pdo\AbstractPdo->connect()
#2 /var/www/html/app/config/services.php(181): Phalcon\Db\Adapter\Pdo\AbstractPdo->__construct()
#3 [internal function]: Closure->{closure}()
#4 [internal function]: Phalcon\Di\Service->resolve()
#5 [internal function]: Phalcon\Di->get()
#6 [internal function]: Phalcon\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 /var/www/html/app/controllers/IndexController.php(305): Phalcon\Mvc\Model::findFirst()
#14 [internal function]: IndexController->showArtistAction()
#15 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->callActionMethod()
#16 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch()
#17 /var/www/html/public/index.php(29): Phalcon\Mvc\Application->handle()
#18 {main}