this is the exact error i get.
Arduino: 1.6.6 (Windows 7), Board: "Pololu A-Star 32U4"
WARNING: Category '' in library ArduinoUnit is not valid. Setting to 'Uncategorized'
Build options changed, rebuilding all
C:\Users\Lexi\Documents\Arduino\libraries\Zumo32U4\examples\Demo\Demo.ino: In member function 'void Menu::select()':
Demo:63: error: 'buttonMonitor' was not declared in this scope
exit status 1
'buttonMonitor' was not declared in this scope
This report would have more information with
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enabled in File > Preferences.