Username-Password rn webauth login a0.response.invalid: unknown error

I’m using react-native-auth0 library in my app project.
Implemented webauth functionality , with Google, Facebook and Username-Password logins.

If im logging in with Facebook or Google, everything works like a charm.
However whenever I login with username-password I get

a0.response.invalid: unknown error . (This error appears only in mobile webview, in our web applicatio it works )

Things i already tried:
I tried re implement from scratch auth0 webauth, created new auth0 tenant, and it worked. Then I changed credentials to production tenant(acc) and It didn’t work again. Looked at app settings at auth0 dashboard and it was identical.

How can I debug this error deeper? Or maybe someone had similar situation.

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