Pw app automatically gets logged out

I wasn't using my pw app (for just 2 days ) and now when I came back to continue my classes it just gets logged out automatically (in both my phone and iPad) what's the matter since morning I'm trying it gets logged in then logs out automatically.

Need help people I'm stuck

I wasn't using my pw app (for just 2 days ) and now when I came back to continue my classes it just gets logged out automatically (in both my phone and iPad) what's the matter since morning I'm trying it gets logged in then logs out automatically.

Need help people I'm stuck