MQTTnet.Exceptions.MqttProtocolViolationException: Received packet 'PubAck: [PacketIdentifier=21584] [ReasonCode=]' at an unexpected time.

Describe the bug

A clear and concise description of what the bug is.

Which project is your bug related to?

• [ √] ManagedClient

To Reproduce

An error occurred while connecting to the mqtt service。 This problem exists with the latest version or 2.8.5 Using TCP This error occurs when the program is running on Windows 7 sp1, but it is normal in Windows 10.

Additional context / logging

MQTTnet.Exceptions.MqttProtocolViolationException: Received packet ‘PubAck: [PacketIdentifier=21584] [ReasonCode=]’ at an unexpected time.

Code example

var options = new ManagedMqttClientOptionsBuilder()
		.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
		.WithClientOptions(new MqttClientOptionsBuilder()
			.WithClientId(Guid.NewGuid().ToString())                            
			.WithTcpServer("127.0.0.1", 33382)
			.WithCredentials(brokerInfo.BrokerUser, brokerInfo.BrokerPassword)
			.WithCleanSession()
			.Build())
		.Build();
var mqttClient = new MqttFactory().CreateManagedMqttClient();
mqttClient.StartAsync(options);               
mqttClient.ConnectingFailedHandler = new FailedHandler();                
mqttClient.ConnectedHandler = new ConnectedHandler(lblWsState);

[chkr1011]

I will add some checks that a PUBREC from a previous connection will no longer throw this exception. I will check if a PUBREL can be sent indicating that the client doesn’t know the message anymore.

[SeppPenner]

@Doyle-net Does this mean you fixed this issue and if yes how?