Config error:Unable to detect board type

when meet this problem, Follow the steps below,

click "DATA" and goto this page,then reboot the board.

Do not at "INSTALL SETUP/Install Firmware" to reboot the board.

Why?when the Mission Planner screen is at "INSTALL SETUP/Install Firmware", if you insert PIXHAWK to your PC, the pixhawk will goto bootloader mode.Resulting in an inability to connect.

If the problem persists,do this step.

Connect to Misson Planner, then modify BRD_TYPE to 0 or 2. then remember click "write Params" button, then reboot.