Possibly related to #152 and #148

Issue: 0.3.5 crashes dedicated server Forge 1.12.2 build 2810

Notes:
on startup while looking for missing field, possibly a client side field

crash report:
http://paste.ubuntu.com/p/5kT8ZFqDcx/

fml server latest:
http://paste.ubuntu.com/p/b3qCgGh5pZ/

Duplicate Issue #148.