build_in_progress

HTTP status: 409

What the API sends

{"error":"build_in_progress","message":"A build is already running on this account. Wait until it finishes, then deploy again."}

When it happens

An account runs one build at a time. A deploy, or a deploy hook call, arrived while another app on the account was still building.

What to do

Wait until the running build finishes, then deploy again. astris status --app <id> shows the state of an app.