refresh session error

I get this error (

AuthException(message: refresh_token required, statusCode: 400)

AuthException(message: refresh_token required, statusCode: 400)

AuthException(message: refresh_token required, statusCode: 400)

AuthException(message: refresh_token required, statusCode: 400)) when calling

Future<AuthResponse> refreshSession()

Future<AuthResponse> refreshSession()

Future<AuthResponse> refreshSession()

Future<AuthResponse> refreshSession() from supabase flutter.

Also, other issues related to the session:

I removed the user from DB but still get the session and current user. Shouldn't session and user be null in this case?
Why does clicking on a verify email link creates a new session and a
```
Auth.signedIn
```
Auth.signedIn
```
Auth.signedIn
```
Auth.signedIn
event in the
```
client?.auth.onAuthStateChange.listen(
   (data) {})
```
client?.auth.onAuthStateChange.listen( (data) {})
```
client?.auth.onAuthStateChange.listen(
   (data) {})
```
client?.auth.onAuthStateChange.listen( (data) {})
listener