Application not registered.

Hi everyone ! When i built app on Appcelerator studio it return one message is:

[ERROR] :  Application not registered.
TRACE  | titanium exited with exit code 100
ERROR  | Error: ti run exited with error code 100
    at ChildProcess.<anonymous> (/Users/verztecdev02/.appcelerator/install/4.1.2/package/node_modules/appc-cli-titanium/plugins/run.js:84:66)
    at ChildProcess.emit (events.js:117:20)
    at Process.ChildProcess._handle.onexit (child_process.js:810:12)