Id say one of the problems is right in front of us in the title.

NO CARBS FOR A MONTH!

Lowering carbs is a good way to reduce cals and loose weight, but completley cutting them is a big NO NO as far as im concerned.

I think your body has possibly gone into starvation mode and is hanging onto what it has. When this happens ur metabolic rate slows so that you dont waste energy

Id start cycling carbs and see what happens

I dont think this is the only problem but i think it needs to be addressed