here is the error i get all of sudden when compileing ardupilot 2.3.1 and 2.4. very strange.
dont know how to post images here so the screen shot of the error is attached.
Error is as follows.
In function 'void navigation()':
error: 'The' was not declared in this scope
** if you delete the line that is highlighted in arduino sketch it will compile fine. do we need that line?