418 I'm a teapot client error response code indicates that the server refuses to brew coffee because it is a teapot. This error is a reference of Hyper Text Coffee Pot Control Protocol which was April Fools' joke in 1998.
418 I'm a teapot
|RFC 2324, section 6.5.14: 418 I'm a teapot||Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0): Semantics and Content|
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