Importing Google contacts Via Nextcloud & DavDroid apps

Before using /e/ in a new phone, I’m trying to sync my contacts (or agenda) from my Google account to the contacts app in my account.
(And later, sync account with /e/ phone.)

On the Android phone
Installing Nextcloud app and link it with : OK
Installing DavDroid
In parameters of Nextcloud App link DavDroid with

Nothing appear in the contact book of
Where is my error?