>>332322459
>>332322732
The modellers assume that you install Dynamic Bones, but it works without as well. I think they usually don't double check what happens if you actually don't use them, hence why they didn't consider that it'll throw you some error because of the missing script, unless you remove them.
I saw that happen on another model, at least.

>Sorry i'm such an idiot and need all this help but wow I really appreciate it! 
Don't worry about it, if due to the Dynamic Bones, then the instructions were just unclear.