If you get an error message that looks like this:
ERROR(1210): Vital behavior file cannot be found. This will cause T-pose in game. To fix this, either reinstall the mod or manually restore this behavior file
File: d:\steam\steamapps\common\skyrim special edition\data\meshes\actors\werewolfbeast\behaviors\werewolfbehavior.hkx
Even when you don't have Precision Creatures/Another Dodge mod in your Nemesis mods
This Error should only happen if you unticked both Precision Creatures/Another Dodge mod in your Nemesis mods list, if you're getting an error like this(2006) without unticking these mods then you haven't installed the requirement for these mods
The 1210 error is due to how Nemesis reads creature/custom behaviours, you need to untick/uninstall Precision creatures/Another Dodge and the Werewolf addon for Nemesis Creature Behaviour Compatibility IN YOUR MOD MANAGER
This is a giant pain, I know, but that's Nemesis for you, as of writing this Article there's something in the works that wont have this issue with creature behaviours that I can't elaborate on for the time being