Enabling Ferritocore v6.0.1 in my modded instance crashes on startup.

Crashlog: https://mclo.gs/0mm0dvc
Full log: https://mclo.gs/uDLwPm2

Is the pack you are using available on CF/MR? The "usual" cause for this is a bug in another mod. If I have the modpack I can find the problematic mod fairly easily, but only by using some "advanced" tools. Otherwise binary search on your mods is probably the only way to find the right mod.