Error code

Message

8000

OPCAutomation.IOPCAutoServer was not found as registered class: check OPCDAAuto.dll registration.

8001

OPC server connection failed: check server URL and DCOM security options.

8002

Server URL expression is empty

8003

Variable path expression is empty.

8004

Connection to this server is not initialized. Make sure to open a connection to this server before this step.