Stream session expired
The WebSocket session lapsed because no ping arrived within its lease.
"type": "https://ohlc.io/problems/stream-expired"
Why it happens
- No
pingwithin the 120-second session lease. (A connection that does not authenticate within 10 seconds is closed with code 1008 instead.)
How to fix it
- Reconnect, authenticate, resubscribe, and send
pingwell inside every 120 seconds. See streaming.