Shell loft/merge not working....

Hello SW users,

I have an attached part file that I'm having some diffculity constucting.  As you can see from the attached pictures I constructed this part from two lofts.  I now would like to shell both lofts with a continuous material thickness of 3mm.  For some reason the shell command only works for loft 1.  From this point I decided to merge loft 2 and I get an error...I need to shell both loft 1 and 2.  Any ideas....?

Your help is appreciated.

SolidworksParts And Features