Sorry, yYou have reserved too many public usernames.
You can revokelinks. Try revoking the link from an older group or channel, or create a private one of your older groups or channels, or create a private entity instead.
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唔好意思！你已經預留咗太多公開用戶名。
你可以喺你而家嘅谷或台入面，撤換一啲連結，或者以私人嘅連結嚟代替。
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