Custom NBT + Lore causes errors

Environment MM Version: 5.0.0-SNAPSHOT-d4b3678c Server Version: PurPur-1231 (1.17)

Summary

Custom Items spawned with both Custom NBT and Custom Lore cause errors, however using one or the other does not.

Steps to reproduce

1. Create an Item with just Custom NBT
2. Spawn item using /mm i get - see no errors in console
3. Reconfigure the item to have lore
4. Spawn item using /mm i get - see errors in console
5. Reconfigure the item to remove the Custom NBT
6. Spawn item using /mm i get - see no errors in console

Intended correct behavior

Items with both Custom NBT and Lore should not cause errors.

Server log file

It exceeds maximum size for pastebin free users. uploaded here 2021-07-01-4.log

Debug log snippet

https://pastebin.com/8CSQ5Xgb