Summary
The HyperText Transfer Protocol (HTTP) 400 Bad Request response status code indicates that the server cannot or will not process the request due to something that is perceived to be a client error, such as malformed request syntax, invalid request message framing, or deceptive request routing.
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It can also mean "Phone number already registered in another account"
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, or that the server was unable to process the request sent by the client due to invalid syntax.
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The 400 Bad Request Error is an HTTP response status code indicating that the server was unable to process the request sent by the client due to invalid syntax.
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According to
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Summary
The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).
400 Bad Request — httpstatuses.com
httpstatuses.com
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP. The first digit of the status code specifies one of five standard classes of responses. The optional message phrases shown are typical, but any human-readable alternative may be provided, or none at all.
List of HTTP status codes - Wikipedia
wikipedia.org
400 是 HTTP 的状态码，主要有两种形式： 1、bad request 意思是 “错误的请求'； 2、invalid hostname 意思是 '不存在的域名”。 ...
HTTP 400 错误 | 菜鸟教程
runoob.com
The 400 Bad Request error means that the request you sent to the website server to view ... The 400 Bad Request error is an HTTP status code that means that ...
How to Fix the 400 Bad Request Error
lifewire.com
