Fatal error: Uncaught Joomla\Database\Exception\ConnectionFailureException: Could not connect to database: Too many connections in /var/www/njhud/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:321 Stack trace: #0 /var/www/njhud/libraries/vendor/joomla/database/src/DatabaseDriver.php(1854): Joomla\Database\Mysqli\MysqliDriver->connect() #1 /var/www/njhud/libraries/src/Session/MetadataManager.php(184): Joomla\Database\DatabaseDriver->setQuery() #2 /var/www/njhud/libraries/src/Session/MetadataManager.php(125): Joomla\CMS\Session\MetadataManager->checkSessionRecordExists() #3 /var/www/njhud/libraries/src/Session/EventListener/MetadataManagerListener.php(80): Joomla\CMS\Session\MetadataManager->createOrUpdateRecord() #4 /var/www/njhud/libraries/vendor/joomla/event/src/LazyServiceEventListener.php(128): Joomla\CMS\Session\EventListener\MetadataManagerListener->onAfterSessionStart() #5 /var/www/njhud/libraries/vendor/joomla/event/src/Dispatcher.php(486): Joomla\Event\LazyServiceEventListener->__invoke() #6 /var/www in /var/www/njhud/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php on line 141
An Error Occurred: Whoops, looks like something went wrong.

Sorry, there was a problem we could not recover from.

The server returned a "500 - Whoops, looks like something went wrong."

Help me resolve this