Fatal error: Uncaught Predis\Connection\ConnectionException: Error while reading line from the server. [tcp://localhost:6379] in /var/www/html/vendor/predis/predis/src/Connection/AbstractConnection.php:155 Stack trace: #0 /var/www/html/vendor/predis/predis/src/Connection/StreamConnection.php(314): Predis\Connection\AbstractConnection->onConnectionError('Error while rea...') #1 /var/www/html/vendor/predis/predis/src/Connection/AbstractConnection.php(120): Predis\Connection\StreamConnection->read() #2 /var/www/html/vendor/predis/predis/src/Connection/AbstractConnection.php(112): Predis\Connection\AbstractConnection->readResponse(Object(Predis\Command\StringGet)) #3 /var/www/html/vendor/predis/predis/src/Client.php(331): Predis\Connection\AbstractConnection->executeCommand(Object(Predis\Command\StringGet)) #4 /var/www/html/vendor/predis/predis/src/Client.php(314): Predis\Client->executeCommand(Object(Predis\Command\StringGet)) #5 /var/www/html/vendor/doctrine/cache/lib/Doctrine/Common/Cache/PredisCache.php(35): Predis\Client in /var/www/html/vendor/predis/predis/src/Connection/AbstractConnection.php on line 155