ROM Hack GodMode9 help

[Dudamax]

Whenever I try to dump a big game (over 1 gig) to a cia I get the error "insert content failed" then "build cia failed" when I go to look at the file in gm9/out it is 14.3 kilobites does anyone have a solition or a work around? I am on old 3ds with 11.4 running b9s and luma 8.0