(This is what it said,, I copied and pasted it:)

You’re not old enough to have an unsupervised Google Account.

If you made a mistake entering your birthday, you can correct it. Otherwise, you and your parent need to set up supervision or you’ll lose access to your Google Account.

Choose an option

Set up supervision
You and your parent will do this together

Correct my birthday
You’ll need a credit card or government-issued ID

Save my stuff before it’s deleted
Download content from your Google Account

Delete my account now
You can delete your account and everything in it