WoWInterface - Firing events using Ace3 not working?

I've been using Ace3 for a while and have a pretty solid understanding of how it and its mixins work. However, I'm trying to setup a new addon and I can't seem to get the event firings to work.

File Structure

Code:

[root_folder][Libs][AceAddon-3.0]

[AceConfig-3.0]

[AceConsole-3.0]

[AceDB-3.0]

[AceEvent-3.0]

[AceGUI-3.0]

[CallbackHandler-1.0]

[LibStub]

Ace3.lua

Ace3.toc
core.lua

AddonName.toc

embeds.xml

embeds.xml

xml Code:

<Ui xmlns="http://www.blizzard.com/wow/ui/">
    <Script file="Libs\LibStub\LibStub.lua"/>
    <Include file="Libs\CallbackHandler-1.0\CallbackHandler-1.0.xml"/>
    <Include file="Libs\AceAddon-3.0\AceAddon-3.0.xml"/>
    <Include file="Libs\AceEvent-3.0\AceEvent-3.0.xml"/>
    <Include file="Libs\AceDB-3.0\AceDB-3.0.xml"/>
    <Include file="Libs\AceConsole-3.0\AceConsole-3.0.xml"/>
    <Include file="Libs\AceGUI-3.0\AceGUI-3.0.xml"/>
    <Include file="Libs\LibSharedMedia-3.0\lib.xml"/>
    <Include file="Libs\AceGUI-3.0-SharedMediaWidgets\widget.xml"/>
    <Include file="Libs\LibAboutPanel\lib.xml"/>
    <Include file="Libs\AceConfig-3.0\AceConfig-3.0.xml"/>
</Ui>

TOC File

Code:

## Interface: 70300

## Title: <Addon Name>

## Notes: <Addon Description>

## Author: Sweetsour

## Version: r01-beta

## SavedVariables: CCS_db_private

## SavedVariablesPerCharacter: CCS_db

## OptionalDeps: Ace3

## X-Embeds: Ace3



embeds.xml



core.lua

core.lua

Lua Code:

local Crits = LibStub('AceAddon-3.0'):NewAddon(FOLDER_NAME, 'AceConsole-3.0','AceEvent-3.0');
 
function Crits:OnInitialize()   
    
end
 
function Crits:OnEnable()
    print(FOLDER_NAME) -- This is printing fine
 
    self:RegisterEvent("PLAYER_REGEN_DISABLED")
end
 
function Crits:PLAYER_REGEN_DISABLED()
    print("Combat Started") -- Not printing
 
    self:RegisterEvent("COMBAT_LOG_EVENT_UNFILTERED")
    self:RegisterEvent("PLAYER_REGEN_ENABLED")
end
 
function Crits:PLAYER_REGEN_DISABLED()
    self:UnregisterEvent("COMBAT_LOG_EVENT_UNFILTERED")
    self:UnregisterEvent("PLAYER_REGEN_ENABLED")
end
 
function Crits:COMBAT_LOG_EVENT_UNFILTERED(event,...)
    print(event) -- Not printing
end