Maybe you just hit the rate limit for your account?
Take a look at this page which may answer your question:
https://platform.openai.com/docs/guides/rate-limits?context=tier-free
Edit: this thread also deals with the same issue:
Maybe you just hit the rate limit for your account?
Take a look at this page which may answer your question:
https://platform.openai.com/docs/guides/rate-limits?context=tier-free
Edit: this thread also deals with the same issue: