market_depth_unavailable

The terminal gave no market depth for the symbol (stream error frame).

WebSocket error frame.

Likely cause: The broker does not publish depth for it.

What to do: Unsubscribe from marketDepth for this symbol.

Retry: No. The same request gets the same answer; change something first.

Listed under Streaming in Errors. Send the error’s requestId to support and we can find the request.