Model not work in 1.16.5 after 5.6.0 update

Summary

Model not set to mob in version 1.16.5 after i'm update MythicMobs to 5.6.0 or above ![Qfk1ZuXdRP

Steps to reproduce

Install: paper 1.16.5, MythicMobs to 5.6.0 or above, ModelEngine 3.1.11

And try to set model to the mob

Current behavior

Model don't install

Intended correct behavior

Model install

Server log file

https://pastebin.com/GHKz7DJ6

Debug log snippet

debug spawn mob on dev build 5.6.2 - https://pastebin.com/TPCcJgkx

Proposed fixes

Now i use MythicMobs 5.5.1 to fix this