Thanks for reaching out and apologies for the long time to reply.
We recommend that you try and apply for the offer via an incognito browser of another device. If that doesn't fix things, could you send us a screenshot of the error message that you receive on the Google website? You can attach it to your post via the Insert Photo option, just be sure to hide any private or sensitive information.
We'll be keeping an eye out for your reply.
Help others find this answer and click "Accept as Solution".
If you appreciate an answer, maybe give it a Like.