Well I don't have a scabbard to import so I just deleted the Scb node that was there. But the post says to edit a node back to Scb, which node is that?
Edit: welp, apparently I just removed the entire branch and it seems to work. So weird...I'm gonna figure out if I can break it again and post what I did. I need to know what's causing my issues >.< so I can stop them
Double Edit: OK! I figured out why CK would get pissy and crash when I tried to set my 1st person model and world model. I was working with a sword, so I went to the block that my mesh was in and made sure the attribute (the "Value") was "WeaponSword". I accidentally set it to the actual name of my weapon...so when I changed that, the CK accepted my nif. Hope that helps for anyone else having trouble...lets see if that's my only issue `-`