@Alexander-Kruglov known issue, check this topic. I sent @pavel-samokha some screenshots, fit file and so on. I hope he will have time/resources to check this out.
https://forum.suunto.com/topic/8098/wahoo-suunto-application/30
Suunto mobile apps and platform feedback, questions, feature suggestions and issues
Discussions about S+ Sports Apps - watch apps which extend functionality of your watch sport modes
Anything related to the recent announcement about Suunto’s new Digital services and Movescount Transition