Fatal error: Uncaught Predis\Connection\ConnectionException: Connection refused [tcp://127.0.0.1:6379] 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(128): Predis\Connection\AbstractConnection->onConnectionError('Connection refu...', 111) #1 /var/www/html/vendor/predis/predis/src/Connection/StreamConnection.php(178): Predis\Connection\StreamConnection->createStreamSocket(Object(Predis\Connection\Parameters), 'tcp://127.0.0.1...', 4) #2 /var/www/html/vendor/predis/predis/src/Connection/StreamConnection.php(100): Predis\Connection\StreamConnection->tcpStreamInitializer(Object(Predis\Connection\Parameters)) #3 /var/www/html/vendor/predis/predis/src/Connection/AbstractConnection.php(81): Predis\Connection\StreamConnection->createResource() #4 /var/www/html/vendor/predis/predis/src/Connection/StreamConnection.php(258): Predis\Connection\AbstractConnection->connect() #5 /var/www/html/vendor/predis/predis/src/C in /var/www/html/vendor/predis/predis/src/Connection/AbstractConnection.php on line 155