Hello @upnyakhir,
Welcome, and thanks for your first post in the Roku Community!
We appreciate you bringing this to our attention. Regarding your concern, we highly suggest contacting the channel provider's customer support for further help. They can resolve the error you are having with the channel login. Please be advised that channel logins or authentication are handled directly by the channel developer.
Please let us know if there's anything else we can help you with.
All the best,
Chel
Jecheal R.
Roku Community Moderator