candle_unavailable

No candle is available for this symbol and timeframe.

HTTP 404.

Likely cause: The symbol has no history in the terminal for that timeframe yet.

What to do: Retry later or use another timeframe.

Retry: Yes. Nothing happened (or it was a read), so repeat it, after Retry-After when present.

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