Yay It is fixed! You can now enjoy Kiyoshi's Soldier animations without it glitching out and crashing! There isn't new inspect animations as that is still in development but I wanted to upload this early :P
I will make a new video soon but this is the latest one from the WiP.
It looks like you left some mess in the download files. You didn't delete the sound.cache file and you didn't delete the decompiled animations (if you wanted to leave them for the people to use, you should've put them in a separate folder).
This doesn't work the second i close my game again. Each time i close it it adds a new file called "kiyoshi solly anims (default rockets).vpk.sound" it's a cache file, not a .vpk, and it basically breaks the mod.