when I load a mod is fine but when I refresh is gone from the mods list like I never load a mod  (the video link below will shows what is going on) 
 https://drive.google.com/file/d/1HyjphovhhdafwMT6q7KXkcTrHbXozXDs/view?usp=drive...

yes, me:

I created a mod with the hypercamo skin, I only did a retouching of the png files, then I compressed everything into a zip file of the same name, but when I try to load the mod into the game I always receive this error