Unable to sign Paltiel.X ipa

Seems that this tool is not working properly…

I downloaded Appium Studio for Mac. I also succesfully registered at Apple Developer. So it is also connected with Apple Developer Account. Futhermore my devices (Apple iPhone 5 s) is visible.

But once when opening device message "Unable to sign./bin/native/Paltiel.X.ipa is displayed.

Hope anyone can help