I’m having issues signing into my Trakt account thru the add on SeriesGuide on my 2nd generation Firestick. It repeatedly fails with a wrong username and password yet the same username and password work on a browser and within the Trakt app itself. Other users say they have no issues and I’m out here feeling abused. Any and all help will be appreciated. Thank you!
I think you have to discuss this at SeriesGuide community:
I assumed since it was a Trakt sign in issue an answer could be sought here. SeriesGuide works fine but the Trakt sign in fails.
Thank you for your response. 
That’s weird since it all uses the same sign in form and flow. Maybe your browser is auto filling an incorrect username or password?