Developer access

Followed your google sync video but hit a snag right at the end:

Error 403: access_denied
The developer hasn’t given you access to this app. It’s currently being tested and it hasn’t been verified by Google. If you think you should have access, contact the developer (mail@rcbunker.com).
Learn more
Request Details
access_type=online
response_type=code
redirect_uri=https://www.rcbunker.com/wp-admin/admin.php?page=gg-woo-feed-google-sync
client_id=56795440066-p8hfki7es2rmd6emmc96poo7dfginva0.apps.googleusercontent.com
scope=https://www.googleapis.com/auth/content