Connect Error: SQLSTATE[HY000] [1040] Too many connections

@49: /home/elementsearch/public_html/index.php | Zend\Db\Adapter\Exception\RuntimeException

#0 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Db/Adapter/Driver/Pdo/Pdo.php(249): Zend\Db\Adapter\Driver\Pdo\Connection->connect()
#1 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Db/Sql/Sql.php(128): Zend\Db\Adapter\Driver\Pdo\Pdo->createStatement()
#2 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Db/TableGateway/AbstractTableGateway.php(237): Zend\Db\Sql\Sql->prepareStatementForSqlObject(Object(Zend\Db\Sql\Select))
#3 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Db/TableGateway/AbstractTableGateway.php(208): Zend\Db\TableGateway\AbstractTableGateway->executeSelect(Object(Zend\Db\Sql\Select))
#4 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Db/TableGateway/AbstractTableGateway.php(195): Zend\Db\TableGateway\AbstractTableGateway->selectWith(Object(Zend\Db\Sql\Select))
#5 /home/elementsearch/application/app-src/applications/WemproMarketplace/module/SeoHelper/src/SeoHelper/Model/SeoTitleWithUrlTable.php(14): Zend\Db\TableGateway\AbstractTableGateway->select(Object(Closure))
#6 /home/elementsearch/application/app-src/applications/WemproMarketplace/module/SeoHelper/src/SeoHelper/View/MetaDescription/MetaDescriptionHelper.php(188): SeoHelper\Model\SeoTitleWithUrlTable->getDataByMd5Url('d455025b9aca850...')
#7 /home/elementsearch/application/app-src/applications/WemproMarketplace/module/SeoHelper/src/SeoHelper/View/MetaDescription/MetaDescriptionHelper.php(221): SeoHelper\View\MetaDescription\MetaDescriptionHelper->executeQuery()
#8 /home/elementsearch/application/app-src/applications/WemproMarketplace/module/Index/view/layout/layout.phtml(51): SeoHelper\View\MetaDescription\MetaDescriptionHelper->getMetaDescription()
#9 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/View/Renderer/PhpRenderer.php(501): include('/home/elementse...')
#10 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/View/View.php(205): Zend\View\Renderer\PhpRenderer->render(NULL)
#11 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Mvc/View/Http/DefaultRenderingStrategy.php(103): Zend\View\View->render(Object(Zend\View\Model\ViewModel))
#12 [internal function]: Zend\Mvc\View\Http\DefaultRenderingStrategy->render(Object(Zend\Mvc\MvcEvent))
#13 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/EventManager/EventManager.php(444): call_user_func(Array, Object(Zend\Mvc\MvcEvent))
#14 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/EventManager/EventManager.php(205): Zend\EventManager\EventManager->triggerListeners('render.error', Object(Zend\Mvc\MvcEvent), Array)
#15 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Mvc/View/Http/DefaultRenderingStrategy.php(113): Zend\EventManager\EventManager->trigger('render.error', Object(Zend\Mvc\MvcEvent))
#16 [internal function]: Zend\Mvc\View\Http\DefaultRenderingStrategy->render(Object(Zend\Mvc\MvcEvent))
#17 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/EventManager/EventManager.php(444): call_user_func(Array, Object(Zend\Mvc\MvcEvent))
#18 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/EventManager/EventManager.php(205): Zend\EventManager\EventManager->triggerListeners('render', Object(Zend\Mvc\MvcEvent), Array)
#19 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Mvc/Application.php(353): Zend\EventManager\EventManager->trigger('render', Object(Zend\Mvc\MvcEvent))
#20 /home/elementsearch/application/app-src/vendor/ZF2/library/Zend/Mvc/Application.php(328): Zend\Mvc\Application->completeRequest(Object(Zend\Mvc\MvcEvent))
#21 /home/elementsearch/public_html/index.php(47): Zend\Mvc\Application->run()
#22 {main}