A name may already be taken, an image may be too large, or a session may have expired. Keep the draft, correct one issue at a time, and try again.
Keep the page useful
Open the public result as a visitor. A successful setup is a page that loads, explains itself, and sends people to the destination you intended. If you need more context, read the broader creator-growth guides on StonkBuilder.
When you are ready, return to Studio and make the next small improvement.