placeholder_not_filled

Signal webhook: a TradingView placeholder in the alert was not filled in.

HTTP 400. Nothing reached the broker.

Likely cause: A strategy placeholder such as {{strategy.order.action}} in an alert that was not created from a strategy.

What to do: Create the alert from the strategy, or send plain values. Nothing was sent.

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

Listed under Signal webhooks (TradingView) in Errors. Send the error’s requestId to support and we can find the request.