http code 501
HTTP code 501 is a status code that indicates the server does not support the functionality required to fulfill the request. It means that the server is unable to process the request because the requested feature or functionality is not implemented or not supported by the server.
In other words, the server understands the request but cannot fulfill it because it lacks the capability to do so. This could be due to the server being outdated or not supporting the specific method or functionality that was requested.
When encountering a 501 error, it is advisable to check the server's documentation or contact the server administrator for further assistance
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