ConnessoResult 0: OPC-UA service result - (no description available) = BadSecureChannelClosed.
---- SERVICE RESULT ----
Status Code: {BadSecureChannelClosed} = 0x80860000 (2156265472)
-=-=-
---- REMARKS ----
The server may have rejected the connection because it does not trust the client (e.g. certificate problem); check the diagnostics on the server side, if possible.
A possible cause of this error could also be that the OPC-UA server is not running, or that it has rejected the connection due to security reasons.
 
+ The SDK action called was "Session.Write".
+ Following (4) events were gathered during the action on activity ID [1], in the order of first occurrence:
  SDK trace: Write Called. RequestHandle=12, PendingRequestCount=2
  [8] SDK trace: TCPCLIENTCHANNEL SOCKET CLOSED: 00000914, ChannelId=1
  [7] Exception: {Opc.Ua.ServiceResultException} BadSecureChannelClosed
  SDK trace: Write Completed. RequestHandle=12, PendingRequestCount=1, StatusCode=Bad
+ Events starting with activity ID in [] may not necessarily be related to the current action.
+ The client method called was 'WriteMultiple'.