Frequent Internal Errors

What behaviour is expected:

The plugin starts up after putting the .jar file in the plugins folder.

What behaviour is observed:

Stack Trace:
java.nio.file.NoSuchFileException: plugins/MoreMobHeads/messages.yml
-> -> -> -> -> -> -> -> This line <- <- <- <- <- <- <- <-
[18:33:23 ERROR]: [MoreMobHeads] INTERNAL ERROR: Could not load old_messages.yml
java.io.FileNotFoundException: plugins/MoreMobHeads/old_messages.yml (No such file or directory)
[18:33:23 ERROR]: Error occurred while enabling MoreMobHeads v1.20_1.0.34 (Is it up to date?)
[18:33:23 INFO]: [MoreMobHeads] Disabling MoreMobHeads v1.20_1.0.34
[18:33:23 INFO]: [MoreMobHeads] MoreMobHeads v1.20_1.0.34 is Disabled

Steps/models to reproduce:

Remove the MoreMobHeads folder if it exists. Put MoreMobHeads v1.20_1.0.34 in the plugins folder Restart the server The plugin doesn't startup

Then you might manually create an empty text file called "old_messages.yml" and the plugin does start.

Plugin list:

ArmorStandEditor, BetterConcrete, Citizens, MoreMobHeads, Multiverse-Core, Quests, RapidLeafDecay, *SilenceMobs, VillagerWorkstationHighlights, WorldEdit

Bukkit/Spigot server version or Paper build number:

This server is running Paper version git-Paper-416 (MC: 1.20.4) (Implementing API version 1.20.4-R0.1-SNAPSHOT) (Git: 581fb30)

Anything else:

I would like to add that this plugin does not handle any errors or unexpected commands very well at all. For example, writing/mmh display throws an Internal Error. I don't think a well-coded program should behave like that. It's an issue of not catching errors and instead just defaulting to not handling them at all. I would appreciate just a tiny bit more testing and stability before putting out production versions. The server operators also cannot use many commands by default, for example/mmh customtrader due to "missing permissions"... but I am the OP. I should have all the permissions by default.

JoelGodOfwar / MoreMobHeads