SQLSTATE[HY000] [1040] Too many connections<br />
<b>Fatal error</b>:  Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [1040] Too many connections' in /var/simplesamlphp/lib/SimpleSAML/Store/SQL.php:60
Stack trace:
#0 /var/simplesamlphp/lib/SimpleSAML/Store/SQL.php(60): PDO-&gt;__construct('mysql:host=comm...', 'learn', 'N2rdfbL8Sb3xdN6...')
#1 /var/simplesamlphp/lib/SimpleSAML/Store.php(52): SimpleSAML\Store\SQL-&gt;__construct()
#2 /var/simplesamlphp/lib/SimpleSAML/SessionHandler.php(122): SimpleSAML\Store::getInstance()
#3 /var/simplesamlphp/lib/SimpleSAML/SessionHandler.php(41): SimpleSAML\SessionHandler::createSessionHandler()
#4 /var/simplesamlphp/lib/SimpleSAML/Session.php(155): SimpleSAML\SessionHandler::getSessionHandler()
#5 /var/simplesamlphp/lib/SimpleSAML/Session.php(410): SimpleSAML_Session-&gt;__construct(true)
#6 /var/simplesamlphp/lib/SimpleSAML/Session.php(262): SimpleSAML_Session::useTransientSession()
#7 /var/simplesamlphp/lib/SimpleSAML/Logger.php(275): SimpleSAML_Session::getSessionFromRequest()
#8 [internal function]: SimpleSAML\Logger::flush()
#9 { in <b>/var/simplesamlphp/lib/SimpleSAML/Store/SQL.php</b> on line <b>60</b><br />