No Matching Subscribers

The message was accepted by the server but there are no current subscribers. Sent in a PUBACK or PUBREC packet to inform the publisher that the message was not delivered to any subscriber.

References

docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html

In this namespace

← previous MessageRateTooHigh Message Rate Too High next → NormalDisconnection Normal Disconnection

GrantedQoS2 ImplementationSpecificError KeepAliveTimeout MalformedPacket MessageRateTooHigh NoMatchingSubscribers NormalDisconnection NoSubscriptionFound NotAuthorized PacketIdentifierInUse PacketIdentifierNotFound