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Temporary Chat Refresh Causes “Page Not Found” with HTTP 431 Error (Session Not Restored)

OpenAI Developer Community April 9, 2026
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Hey @Deepak_S1! That’s definitely not expected. After refreshing, it should redirect you to a new Temporary Chat screen, not a “Page Not Found.”

When you get a sec, try incognito/private browsing first, then a different browser, and clearing cache/cookies if needed. If none of that helps, please reach out to support@openai.com so they can investigate further.

-Sunny

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