Implementation Specific Error

The operation is valid but the receiver has chosen not to accept it for an implementation-specific reason. Used in CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, and DISCONNECT packets.

References

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

In this namespace

← previous GrantedQoS2 Granted QoS 2 next → KeepAliveTimeout Keep Alive Timeout

ContinueAuthentication DisconnectWithWillMessage GrantedQoS0 GrantedQoS1 GrantedQoS2 ImplementationSpecificError KeepAliveTimeout MalformedPacket MessageRateTooHigh NoMatchingSubscribers NormalDisconnection