Google Photo 400 Error

Hi,

I wan’t to activate true the step 1 authenticate.
But i get redirected to this page (a error 400):
https://accounts.google.com/o/oauth2/auth?access_type=offline&client_id=922674751275-42aioki6s2cc33uhkcnfeqa1kl5jh54t.apps.googleusercontent.com&prompt=consent&redirect_uri=http%3A%2F%2Ftestomgeving.vhz.nu%2Fwp-admin%2Fadmin.php%3Fpage%3Dphotonic-auth%26source%3Dgoogle&response_type=code&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fphotoslibrary.readonly&state=d52b4149f04669433dd161dfb661a385%3A%3A%252Fwp-admin%252Fadmin.php%253Fpage%253Dphotonic-auth

Can you help me out please, Thank you

Gr, Michael