Hi, @kandchka1
Greetings, and welcome to the Roku Community.
Thanks for sharing your concern regarding the login issue with the UFC app. We're here to refer you to the right support to address the issue.
We recommend reaching out to UFC support and inquiring further for assistance regarding this matter. Channel providers can assist their customers regarding their login credentials.
For more information, you can contact them at UFC Support
We hope this will be sorted out soon, and let us know if you need further assistance.
Thanks,
The Roku Community Team.
Takashi O.
Roku Community Moderator