Hello @Zheng Zhao
This usually comes down to what you’re trying to create and your admin level.
If you are trying to create a new atlassian.net site, that requires Organization admin access.
If you are trying to add a custom domain, that also requires Organization admin and an eligible plan.
Also check with your org admin if app/site creation requires approval, as that can block the process.
Everything looks correct and it still doesn’t work ?
I would contact then Atlassian support and make sure to include the request ID / error ID you see on the screen. That ID is important for support to trace what’s being blocked.
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