Warning: session_start(): Failed to read session data: user (path: /var/lib/php/sessions) in /home/webmaster/www/pw-store.de_2018/public/classes/static/class.mongoDBSessionHandler.php on line 26

Fatal error: Uncaught MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [connection closed calling hello on '127.0.0.1:27017'] in /home/webmaster/www/pw-store.de_2018/public/vendor/mongodb/mongodb/src/Operation/Find.php:337 Stack trace: #0 /home/webmaster/www/pw-store.de_2018/public/vendor/mongodb/mongodb/src/Operation/Find.php(337): MongoDB\Driver\Server->executeQuery() #1 /home/webmaster/www/pw-store.de_2018/public/vendor/mongodb/mongodb/src/Operation/FindOne.php(128): MongoDB\Operation\Find->execute() #2 /home/webmaster/www/pw-store.de_2018/public/vendor/mongodb/mongodb/src/Collection.php(696): MongoDB\Operation\FindOne->execute() #3 /home/webmaster/www/pw-store.de_2018/public/classes/static/class.mongoDBSessionHandler.php(44): MongoDB\Collection->findOne() #4 [internal function]: MongoDBSessionHandler->read() #5 /home/webmaster/www/pw-store.de_2018/public/classes/static/class.mongoDBSessionHandler.php(26): session_start() #6 /home/webmaster/www/waffen_chesi. in /home/webmaster/www/pw-store.de_2018/public/vendor/mongodb/mongodb/src/Operation/Find.php on line 337