ThingWorx Edge C SDK > Error Codes > Tunneling Errors
  
Tunneling Errors
The following table lists the errors related to the Tunneling Manager
Code
Message
Troubleshooting
1400
TW_TUNNEL_MANAGER_NOT_INITIALIZED
The Tunnel Manager has not been initialized. The Tunnel Manager is initialized when twApi_Initialize is called only if ENABLE_TUNNELING is defined. If you wish to use tunneling functionality make sure ENABLE_TUNNELING is defined.
1401
TW_TUNNEL_CREATION_FAILED
The tunnel was not created. This error could be because of an out-of-memory condition.