I recently redownloaded MCE2 on my new computer, and had updated a server between me and a few friends to 1.2.0.3 (yeah we didn't notice for a quarter of a year.), and upon loading in a lot of things ceased working. A bunch of recipes in our auto crafters were no longer valid, and after some checking things out in creative singleplayer, we all kinda found different sections of the modpack are....empty? Loaded, functioning, and callable, but they have nothing in them. And a lot of the recipes for items don't work. A few of them literally do nothing-- can't be crafted, can't be used in anything, yet other versions of the same thing, like ingots, work and are substitutable in recipes.
Others have recipes they go in, but you have to go through other mods to get them, rather than using their own mod's machinery; Some of the Create ingots can't be made in Create machinery, but instead need either Thermal or Mekanism?
Nukateam Gun Lib is just empty except for two status effects; Half of the Ars Nuv spells are gone; and Farmer's Delight has nothing in it.
Clearly something is up, but I can't find any good info on what's going on. Does anyone have an idea of what's going on, and how to fix it?
Sorry if this is the wrong place to be posting this.