In file included from C:\Users\Administrator\Documents\Arduino\libraries\PixhawkArduinoMAVLink-master\examples\Acceleration\Acceleration.ino:4:0:
C:\Users\Administrator\Documents\Arduino\libraries\PixhawkArduinoMAVLink-master\src/PixhawkArduinoMAVLink.h:10:10: fatal error: src/ardupilotmega/mavlink.h: No such file or directory