Thread:Project:Support desk/Login error The Studio Wiki uses cookies to log in users. You have cookies disabled. Please enable them and try again. Once and only once with cookies enabled

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http://thestudio.condenast.com/wiki/

When the user is visiting the wiki with no session cookie, like when it is their first time, or they have cleared cookies, and they log in with valid credentials, they get the following error: "Login error The Studio Wiki uses cookies to log in users. You have cookies disabled. Please enable them and try again."

If you check the browser at this time, you can see that the cookie is now present. Pressing the login button subsequent times results in logging in as expected, and success continues until the cookie is removed or expired at which point the error will occur exactly once.

I have made sure that the browsers are accepting cookies, in fact, they have the cookie in question. I have also verified that my systems session save path is valid and writable. I have also attempted to disable cookie checking with the setting $wgDisableCookieCheck but this did not change the behavior at all. Any suggestions would be much appreciated.