Versions (Be specific, do not write "latest"):

• Colytra: colytra-1.12.2-1.2.0.3.jar
• Caelus (for 1.13+): N/A
• Forge: forge-14.23.5.2768
• Baubles: Baubles-1.12-1.5.2.jar

Observed Behavior: Game crashes when trying to use Elytra on the Baubles Body slot

Expected Behavior: Should be flying with elytra, not crashing the game :(

Steps to Reproduce:

1. Get elytra, then place in crafting table to turn into elytra (bauble body)
2. Get to a high place and try to glide
3. Game insta-crashes to desktop and throws out crash log. Crash log link below.
   ...

Crash Log: Please use a paste site like hastebin.

https://hastebin.com/raw/urusavigoj

Update to Forge 14.23.5.2779 or above and see if you still get the crash. My apologies for not listing this as a requirement for the latest Colytra version.

Fixed it.

Thanks!