SQLSTATE[HY000] [1040] Too many connections<br><pre>#0 [internal function]: PDO->__construct('mysql:host=loca...', 'nguyenma', '@nguyenma@#0888...', Array)
#1 [internal function]: Phalcon\Db\Adapter\Pdo->connect(Array)
#2 /home/nguyenma/public_html/app/config/services.php(80): Phalcon\Db\Adapter\Pdo->__construct(Array)
#3 [internal function]: Closure->{closure}()
#4 [internal function]: Phalcon\Di\Service->resolve(NULL, Object(Phalcon\Di\FactoryDefault))
#5 [internal function]: Phalcon\Di->get('db', NULL)
#6 [internal function]: Phalcon\Di->getShared('db')
#7 [internal function]: Phalcon\Mvc\Model\Manager->_getConnection(Object(Common), NULL)
#8 [internal function]: Phalcon\Mvc\Model\Manager->getReadConnection(Object(Common))
#9 [internal function]: Phalcon\Mvc\Model->getReadConnection()
#10 [internal function]: Phalcon\Mvc\Model\MetaData\Strategy\Introspection->getMetaData(Object(Common), Object(Phalcon\Di\FactoryDefault))
#11 [internal function]: Phalcon\Mvc\Model\MetaData->_initialize(Object(Common), 'common-common', 'common', '')
#12 [internal function]: Phalcon\Mvc\Model\MetaData->readMetaData(Object(Common))
#13 [internal function]: Phalcon\Mvc\Model\MetaData->hasAttribute(Object(Common), '_type')
#14 [internal function]: Phalcon\Mvc\Model\Query->_getQualified(Array)
#15 [internal function]: Phalcon\Mvc\Model\Query->_getExpression(Array, true)
#16 [internal function]: Phalcon\Mvc\Model\Query->_getExpression(Array)
#17 [internal function]: Phalcon\Mvc\Model\Query->_prepareSelect()
#18 [internal function]: Phalcon\Mvc\Model\Query->parse()
#19 [internal function]: Phalcon\Mvc\Model\Query->execute()
#20 /home/nguyenma/public_html/app/models/Common.php(46): Phalcon\Mvc\Model::find('_type=1')
#21 /home/nguyenma/public_html/app/config/router.php(28): Common::find('_type=1')
#22 /home/nguyenma/public_html/index.php(42): include('/home/nguyenma/...')
#23 {main}</pre>x