Stav protokolu HTTP 409: Požadavek nelze dokončit, protože došlo ke konfliktu s aktuálním stavem požadavku. Uživatel by měl požadavek znovu odeslat s více informacemi.
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English version
HTTP status 409: The request could not be completed because of a conflict with the current state of the resource. The user should resubmit the request with more information.
Windows