Market Data Request(V) message is not
accepted, the exchange responds with a Market Data Request Reject(Y) message
MarketDataRequestReject(Y) is the Deribit production FIX API server response when a MarketDataRequest is refused, listing reject reason codes and remediation.
Market Data Request(V) message is not
accepted, the exchange responds with a Market Data Request Reject(Y) message
Related topics
Reject(3)MMProtection Limits Result/Reject(MR)Market Data Request(V)Order Cancel Reject(9)FIX API Overview