我制作了一个使用 sendbird 作为 messanger 组件的网络应用程序，以便能够使用每个人都需要先注册的应用程序。但是由于某种原因，经过几天的测试，注册部分不再起作用。代码没有改变，因为只是用户删除并再次创建。
任何人都知道问题可能来自哪里，不是因为发送垃圾邮件吗？如果是我该怎么办。
当我要登录时，消息是：没有用户注册此电子邮件-- 当我要注册时：您已经注册了。请检查您的电子邮件以验证您的帐户或验证发送失败。
index_bundle.js:5348 创建 SendBird 用户时出错：{"original":null,"response":{"req":{"method":"POST","url":" https://api.sendbird.com/ v3/用户","data":{"user_id":"sth@sth.com","nickname":"Testtttttt","profile_url":""},"headers":{"content-type":"application/json ","api-token":"ff8bf5060352c01ce575287f25def5be4b02fd6d"}},"xhr":{},"text":"{\"message\":\"user_id 违反唯一约束。\",\"code\":400202 ,\"error\":true}","statusText":"BAD REQUEST","statusCode":400,"status":400,"statusType":4,"info":false,"ok":false, "redirect":false,"clientError":true,"serverError":false,"error":{"status":400,"method":"POST","url":" https://api.sendbird.com/v3/users"},"accepted":false,"noContent":false,"badRequest":true,"unauthorized":false,"notAcceptable":false,"forbidden":false,"notFound":false,"headers":{ "content-language":"en","content-type":"application/json"},"header":{"content-language":"en","content-type":"application/json"} ,"type":"application/json","links":{},"body":{"message":"user_id 违反了唯一约束。","code":400202,"error":true}},"状态“：400}