Question
Error: cause: Missing application key!
Hello,
I have not been able to communicate with my OPC Servers since i reinstalled the manufacturing apps, i am getting the following error in the ApplicationLog.log file:
2018-08-01 13:19:45.445+0000 [L: ERROR] [O: c.t.c.s.c.j.Jsr356ServerConnection] [I: ] [U: ] [S: ] [T: http-nio-8080-exec-4] Error [authenticating connection], Server websocket will be closed. cause: Missing application key!
Any ideas?

