Failed to connect (try 1 out of 5) to redis at 10.10.3.208:31503, error returned was: Connection refused

line 230 of /lib/classes/session/redis.php: call to debugging()
line 152 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 139 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 829 of /lib/setup.php: call to core\session\manager::start()
line 1170 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()

Failed to connect (try 2 out of 5) to redis at 10.10.3.208:31503, error returned was: Connection refused

line 230 of /lib/classes/session/redis.php: call to debugging()
line 152 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 139 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 829 of /lib/setup.php: call to core\session\manager::start()
line 1170 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()

Failed to connect (try 3 out of 5) to redis at 10.10.3.208:31503, error returned was: Connection refused

line 230 of /lib/classes/session/redis.php: call to debugging()
line 152 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 139 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 829 of /lib/setup.php: call to core\session\manager::start()
line 1170 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()

Failed to connect (try 4 out of 5) to redis at 10.10.3.208:31503, error returned was: Connection refused

line 230 of /lib/classes/session/redis.php: call to debugging()
line 152 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 139 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 829 of /lib/setup.php: call to core\session\manager::start()
line 1170 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()

Failed to connect (try 5 out of 5) to redis at 10.10.3.208:31503, error returned was: Connection refused

line 230 of /lib/classes/session/redis.php: call to debugging()
line 152 of /lib/classes/session/manager.php: call to core\session\redis->init()
line 139 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 829 of /lib/setup.php: call to core\session\manager::start()
line 1170 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()

Error

Exception - Failed to connect (try 5 out of 5) to redis at 10.10.3.208:31503, error returned was: Connection refused