Disappearance of biomes and other things from the world after downloading my world with friend

Why, when I play with my friend on some mods (Calamity Mod included), it works fine, but when I download our map and try to play in singleplayer, I'm missing Magic Storage, Abyss, and one other I don't remember the name of? Does anyone know how to fix this problem? I reinstalled everything and tried many times to update our world file, but nothing works. (This world also takes a little longer to load than my other worlds.) The first time it worked, but now for some days it hasn’t.