RedisError: Redis connection needs to be open.

Hey ! developers I'm trying to use redis-om for the redis x dev hakathon but I'm getting error !!
RedisError: Redis connection needs to be open

For more details : https://stackoverflow.com/questions/73417744/rediserror-redis-connection-needs-to-be-open?fbclid=IwAR1GamGnmy7ysgYXbKF7WzLWoHWkBXqubYPuZ_aGVYu2ZRZgNLrYloVHS

Kindly answer the question !! 🙏