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Hi All, I've been using @supabase/supabase-js for Google and Discord OAuth, and it was working for some time, but has stopped working and I am unsure why. 

After authorizing, and the app has redirected, I get 404 on the session.

POST http://localhost:3000/api/_supabase/session 404 (Not Found)

and

Uncaught (in promise) FetchError: 404 Not Found (/api/_supabase/session)
    at async Object.callback (supabase.client.mjs:22:7)

Any insight would help!