Problem with X-45 Joystick

Does anyone else have this problem with the X-45:
When I try to assign "Rotary Switch 1" to anything in CFS3, it deletes the command altogether.
Is this a glitch in CFS3 or the X-45? Is there any way to fix it?
When I try to assign "Rotary Switch 1" to anything in CFS3, it deletes the command altogether.
Is this a glitch in CFS3 or the X-45? Is there any way to fix it?