OPC-UA problem on 7.8

Ignition
1

today my OPC-UA Server stopped and all tag values was “uncertain”
You can see wrapper logs below.
any one got some ideas
Thanks
Mustafa
INFO jvm 2 2016/01/14 10:04:37 ERROR [UaTcpClientSymmetricHandler ] [10:04:37,712]: Error decoding symmetric message: received unknown secure channel token. tokenId=197, previousTokenId=195, currentTokenId=196
INFO jvm 2 2016/01/14 10:04:37 UaException: status=Bad_SecureChannelTokenUnknown, message=received unknown secure channel token. tokenId=197, previousTokenId=195, currentTokenId=196
INFO jvm 2 2016/01/14 10:04:37 at com.digitalpetri.opcua.stack.client.handlers.UaTcpClientSymmetricHandler.validateChunkHeaders(UaTcpClientSymmetricHandler.java:247)
INFO jvm 2 2016/01/14 10:04:37 at com.digitalpetri.opcua.stack.client.handlers.UaTcpClientSymmetricHandler.lambda$onSecureMessage$28(UaTcpClientSymmetricHandler.java:188)
INFO jvm 2 2016/01/14 10:04:37 at com.digitalpetri.opcua.stack.core.channel.SerializationQueue.lambda$decode$2(SerializationQueue.java:61)
INFO jvm 2 2016/01/14 10:04:37 at com.digitalpetri.opcua.stack.core.util.ExecutionQueue$PollAndExecute.run(ExecutionQueue.java:110)
INFO jvm 2 2016/01/14 10:04:37 at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
INFO jvm 2 2016/01/14 10:04:37 at java.util.concurrent.FutureTask.run(Unknown Source)
INFO jvm 2 2016/01/14 10:04:37 at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
INFO jvm 2 2016/01/14 10:04:37 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
INFO jvm 2 2016/01/14 10:04:37 at java.lang.Thread.run(Unknown Source)
INFO jvm 2 2016/01/14 10:04:37 WARN [Active ] [10:04:37,713]: Channel went inactive: [id: 0x3b4754ce, /192.168.8.1:53938 :> /192.168.8.1:4096]
INFO jvm 2 2016/01/14 10:04:37 WARN [TCPServerChannel ] [10:04:37,744]: Received renew but currentChannel==null; closing.

2

There was a problem with the OPC-UA server in 7.8.0, this has been fixed in the 7.8.1 beta. If you can’t install that, contact support and they can send you a fixed opc-ua module.

3

I have intalled new module .
Everything is perfect now.
Thanks for your answer.
Mustafa