PDOException: SQLSTATE[08006] [7] connection to server at "db" (172.18.0.2), port 5432 failed: FATAL: sorry, too many clients already in /root/trackdirect/htdocs/includes/pdoconnection.class.php:28 Stack trace: #0 /root/trackdirect/htdocs/includes/pdoconnection.class.php(28): PDO->__construct('pgsql:dbname=tr...', NULL, Object(SensitiveParameterValue), Array) #1 /root/trackdirect/htdocs/includes/pdoconnection.class.php(59): PDOConnection->createConnection() #2 /root/trackdirect/htdocs/includes/pdoconnection.class.php(84): PDOConnection->getConnection() #3 /root/trackdirect/htdocs/includes/pdoconnection.class.php(96): PDOConnection->prepare('select * from s...') #4 /root/trackdirect/htdocs/includes/repositories/modelrepository.class.php(39): PDOConnection->prepareAndExec('select * from s...', Array) #5 /root/trackdirect/htdocs/includes/repositories/stationrepository.class.php(44): ModelRepository->getObjectFromSql('select * from s...', Array) #6 /root/trackdirect/htdocs/public/views/overview.php(3): StationRepository->getObjectById('18968') #7 /root/trackdirect/htdocs/public/index.php(357): include('/root/trackdire...') #8 {main}