[roselan]

for me it's

API Error: 529 Overloaded. This is a server-side issue, usually temporary — try again in a moment. If it persists, check https://status.claude.com.

[boulos]

529 and not 429?

[NekkoDroid]

429 is if you have been rate limited. 529 is for server overloaded and can't process more.