DropOptions(ChatMessage) not working
Summary
When killing a mob that has ChatMessage in drop options it throws err.
Steps to reproduce
Use MythicMobs-5.10.0-SNAPSHOT 5496 on Purpur v1.21.8-2489-HEAD@4fd4df0.
Create new vanilla mob modification: https://pastebin.com/932xmSbQ
Summon that mob and kill it.
Current behavior
We get err: https://pastebin.com/MhxDRLkF
Intended correct behavior
Message sent into chat.
Server log file
Debug log snippet