I'm trying to connect to Arducopter via XBee Pro 900 to APM Mission Planner with port speed set @ 57.6 kbps....it shows connected, i see the icon displays "Connected" for some time, but APM Mission Planner window stops responding....
After some time, i get the error "System Exception: Missing ID expecting 0 got xxx....Please try reloading again...."
The XBee Pro connects fine with HappyKillmore GCS......can someone hint on what's going wrong...??
your xbee link is loosing data, check cableing/power and xbee settings.