We have got you. Please follow the below steps and it should work.

- Retry logging in using the same credentials used at the time of booking. 

- If you are on the app, click on the join in option available under purchase history.

- You may also join the stream by simply clicking on the link available in the SMS/Email confirmation. 

P.S: Pls login to your BookMyShow account like you had logged in at the time of transactions

Eg: In case you had logged in using Google+, Facebook account, Email account or mobile number OTP please login again with the same way to stream