No session data recorded on Dashboard + Android Support Error on initialization

[threekanjbeen]

Hello,
I've integrated AppMetrica Unity pacakge recently in my game but there is no recorded session data on dashboard
Here is the log aftar initializing SDK:
Initializing of Metrica, Release type, Version 3.14.3, API Level 91, Dated 09.07.2020. Rejecting re-init on previously-failed class java.lang.Class<com.yandex.metrica.uiaccessor.a$1>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v4/app/FragmentManager$FragmentLifecycleCallbacks; ... Activate AppMetrica with APIKey xxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx Initializing of Metrica, Release type, Version 3.14.3, API Level 91, Dated 09.07.2020.

I've tried to add Android appcompat-v7 aar file to the project but I still got that error

[NesterovichAlexey]

Hi!
In this case we need some more time and participation of our specialists. So, please, write us via form: https://appmetrica.yandex.com/docs/troubleshooting/other.html
Additionally, specify the app's APIKey and how you activate AppMetrica.