Thanks, I don’t know what would cause this, and can only offer some more ideas or research you could do (beyond simply waiting, in case your purchase takes time to propagate to the gpt-4 servers that can answer).
You can see if the request is even being sent by the ChatGPT code within the browser.
Here is browser tools -> web developer tools -> network and then typing and sending a message:
POST for the message you send (200=OK), and a POST for the chat title.
There’s even more communications going on in the background about your account if you really want to guess at what could be happening:
(and it seems they are again serving me A/B testing of statsig, and a new domain of it featuregates.org to block…)
More recent plus-purchaser-problems: https://community.openai.com/t/chatgpt-plus-does-not-work/289103