Hi @Emeraldsoul,
Thanks for your first post in the Roku Community!
We are glad you are sharing your issue with the NBA League Pass subscription. You are unable to sign in using your Roku device. We recommend that you contact the NBA channel support directly to guide you through the step-by-step process of logging in to your NBA subscription.
You can reach them here: NBA Support | Contact US
We hope this will be sorted out soon.
Cheers,
Riamie
Riamie D.
Roku Community Moderator