wifi hotspot problem

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http://androidforums.com – After root, s-off and running midnight ROM I can't use my wifi hotspot (I'm paying the extra $15) I can enable the hot spot but i cant connect any of my devices,, when I go to settings/ sprint hotspot settings I get the error "unfortunately, settings has stopped", I've tried Foxfi and the app that came with the ROM with no luck how can I fix it?, (General)