Apple Fitness+ personal plan doesn’t show up

Hello. I have a Russian apple ID account subscription for Apple fitness+ and I use it for 4 months now. A week ago I created a new personal plan, it started normally. Now it’s training day and I don’t see my personal plan on the main menu. When I log into my American Apple ID account in AppStore and then open the Apple Fitness+ app — my personal plan appears.

I also can’t see the first training video in my plan (strength training), only the second and the third (core training and mindful cooldown). When I switch to Russian account back, it doesn’t play the video when I hit the play button.

How can I fix this or can I even fix it? I want the plan to be available on my Russian account, because I completed two personal 8 weeks lasting plans before the current plan.