Resource Packs don't work properly

This does not have to do with any gameplay, but when i put a resource pack (1.13 version) it just doesn't work. pack.mcmeta has the "version" set to "4", which means 1.13 version, but instead of showing my own textures, it show the Default Minecraft ones (except the gui [Inventory, Creative Menu, Chest]). I don't know if what i have to do is change the version to 3 to fix it, or the F3 + T Debug Control did it.