Something went wrong on our end. Please try again. If this keeps happening, contact support. (Issue ID for Atlassian use: Anonymous ID: "f574abab-1c3f-4317-bb65-1d216622d9ce")
I used this link https://www.atlassian.com/try/cloud/signup?bundle=devai to create a site, submit "agree and start now" button, it was show above error.