The build failed with the following message: The system cannot find the path specified. what i should do?

i'll building and running a simulink model, but when i deploy to my hardware or run, arduino but keep getting this error message..

The call to realtime_make_rtw_hook, during the after_make hook generated the following error: The build failed with the following message: The system cannot find the path specified.

The build process will terminate as a result.

The build failed with the following message: The system cannot find the path specified.

.........

i try "Troubleshoot Running Models on Arduino Hardware" in documentation but keep getting this message over and over again... what i should do???? please need help..

[Madhu Govindarajan]

Are you working with a shipped demo? If not, could you try those out first. For instance try arduinodue_gettingstarted or arduinomega2560_gettingstarted depending on your model.