@sean
thank you for your help :)
I have recreate a new google project and it works now :)

Bérenger.

@sean
Hi Sean,

From scratch ? i delete module and reinstall it ?

Bérenger.

Hi,

i have a problem when i paste my code error message:

pi@raspberrypi:~/MagicMirror/modules/MMM-GooglePhotos $ cat toto.txt
pi@raspberrypi:~/MagicMirror/modules/MMM-GooglePhotos $ node auth_and_test.js
Opening OAuth URL.(https://accounts.google.com/o/oauth2/v2/auth?access_type=offline&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fphotoslibrary.readonly&response_type=code&client_id=491102864701-4kg1b7lbb90bt2vsc0cuh5af5acefgje.apps.googleusercontent.com&redirect_uri=urn%3Aietf%3Awg%3Aoauth%3A2.0%3Aoob) Return here with your code.
Paste your code: 4/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
(node:3967) UnhandledPromiseRejectionWarning: Error: Error getting tokens:
at oauthClient.getToken (/home/pi/MagicMirror/modules/MMM-GooglePhotos/auth.js:93:24)
at /home/pi/MagicMirror/modules/MMM-GooglePhotos/node_modules/google-auth-library/build/src/auth/oauth2client.js:158:46
at
at process._tickCallback (internal/process/next_tick.js:182:7)
(node:3967) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
(node:3967) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Can you help me please ?

Bérenger.