This happens when trying to open the Carbonite social window. The default Blizz one opens instead and I receive this error.

Date: 2017-09-02 20:27:47
ID: 1
Error occured in: Global
Count: 1
Message: ..\AddOns\Carbonite.Social\NxSocial.lua line 780:
attempt to call method 'RegisterEvent' (a nil value)
Debug:
[C]: RegisterEvent()
Carbonite.Social\NxSocial.lua:780: Create()
Carbonite.Social\NxSocial.lua:635: ShowUIPanel()
Carbonite.Social\NxSocial.lua:2651:
Carbonite.Social\NxSocial.lua:2648
[C]: ?
[C]: ShowUIPanel()
..\FrameXML\FriendsFrame.lua:1070: ToggleFriendsFrame()
[string "TOGGLESOCIAL"]:1:
[string "TOGGLESOCIAL"]:1
Locals:

AddOns:
Carbonite, v7.3.0
CarboniteInfo, v7.3.0
CarboniteNotes, v7.3.0
CarboniteQuests, v7.3.0
CarboniteSocial, v7.3.0
CarboniteWarehouse, v7.3.0

got the same error:
Date: 2017-09-03 12:44:06
ID: 4
Error occured in: Global
Count: 1
Message: ..\AddOns\Carbonite.Social\NxSocial.lua line 780:
attempt to call method 'RegisterEvent' (a nil value)
Debug:
Carbonite.Social\NxSocial.lua:780: Create()
Carbonite.Social\NxSocial.lua:635: ShowUIPanel()
Carbonite.Social\NxSocial.lua:2651:
Carbonite.Social\NxSocial.lua:2648
[C]: ?
[C]: ShowUIPanel()
..\FrameXML\FriendsFrame.lua:1081: ToggleFriendsFrame()
..\FrameXML\QuickJoinToast.lua:304:
..\FrameXML\QuickJoinToast.lua:298
Locals:
self =

{
GetPunkPasteInfo = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:2070
Punks = {
}
PCloseWindows = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:2668
RestoreFriendsFrame = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:691
OnUpdate = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:867
SetCols = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:518
Create = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:753
OnTabBar = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:921
Show = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:720
PunksActive = {
}
OnChat_msg_addon = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:510
PanelTemplates_SetTab = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:905
PHideUIPanel = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:2660
GotoPunk = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:2053
Win = {
}
List = {
}
PreCombatHide = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:733
PunkNewDir = 35.481487058824
AddLocalPunk = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:1730
DecodeComRcvPunks = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:1688
LastLocalPunk = "Radburn"
OnFriendListUpdate = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:851
NoShow = true
Init = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:558
Cols = {
}
PShowUIPanel = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:2648
PunksHUD = {
}
UpdateIcons = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:1911
HideUIPanel = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:672
CalcPunks = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:1885
OnUpdateTimer = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:1870
GetPunk = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:1807
ShowBlizzTabs = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:982
OnWin = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:844
ShowUIPanel = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:611
TeamHUD = {
}
}
tbH = 22
win = {
TitleFStr = {
}
BorderW = 7
BorderH = 7
ButClose = {
}
Border = true
BackgndAlphaDiff = 0.35
BackgndAlphaMin = 0.65
UserFunc = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:844
BackgndFadeOut = 0.75
SaveData = {
}
ButMaxer = {
}
TitleH = 12
TitleLineH = 10
Maxer = true
Closer = true
User = {
}
LayoutMode = ""
MovSizing = false
BackgndFadeTarget = 0
TopH = 19
ChildFrms = {
}
BackgndFadeIn = 1
Name = "NxSocial"
Frm = NxSocial {
}
BackgndFade = 0.01
TitleLines = 1
ButW = 12.5
Sizeable = true
}
frm = NxSocial {
0 =
NxWin = {
}
}
(*temporary) = nil
(*temporary) = {
TitleFStr = {
}
BorderW = 7
BorderH = 7
ButClose = {
}
Border = true
BackgndAlphaDiff = 0.35
BackgndAlphaMin = 0.65
UserFunc = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:844
BackgndFadeOut = 0.75
SaveData = {
}
ButMaxer = {
}
TitleH = 12
TitleLineH = 10
Maxer = true
Closer = true
User = {
}
LayoutMode = ""
MovSizing = false
BackgndFadeTarget = 0
TopH = 19
ChildFrms = {
}
BackgndFadeIn = 1
Name = "NxSocial"
Frm = NxSocial {
}
BackgndFade = 0.01
TitleLines = 1
ButW = 12.5
Sizeable = true
}
(*temporary) = "FRIENDLIST_SHOW"
(*temporary) = defined @interface\AddOns\Carbonite.Social\NxSocial.lua:851
(*temporary) = "attempt to call method 'RegisterEvent' (a nil value)"
L = {
Remove Pal And Friend = "Remove Pal And Friend"
number of
AddOns:
Swatter, v7.4.5714 (TasmanianThylacine)
Atlas, vv1.43.01
AtlasBurningCrusade, vv1.43.00
AtlasCataclysm, vv1.43.00
AtlasClassicWoW, vv1.43.00
AtlasClassOrderHalls, vv1.43.00
AtlasDungeonLocs, vv1.43.00
AtlasLegion, vv1.43.00
AtlasMistsofPandaria, vv1.43.00
AtlasOutdoorRaids, vv1.43.00
AtlasScenarios, vv1.43.00
AtlasWarlordsofDraenor, vv1.43.00
AtlasWorldEvents, vv3.23
AtlasWrathoftheLichKing, vv1.43.00
AtlasLoot, vv8.06.00
AtlasLootBurningCrusade, vv8.06.00
AtlasLootCataclysm, vv8.06.00
AtlasLootClassic, vv8.06.00
AtlasLootLegion, vv8.06.00
AtlasLootMistsofPandaria, vv8.06.00
AtlasLootWarlordsofDraenor, vv8.06.00
AtlasLootWrathoftheLichKing, vv8.06.00
AtlasMajorCitiesEnhanced, vv1.15
AucAdvanced, v7.4.5714 (TasmanianThylacine)
AucFilterBasic, v7.4.5714 (TasmanianThylacine)
AucFilterOutlier, v7.4.5714.5459(7.4/embedded)
AucMatchUndercut, v7.4.5714.5585(7.4/embedded)
AucScanData, v7.4.5714 (TasmanianThylacine)
AucStatHistogram, v7.4.5714 (TasmanianThylacine)
AucStatiLevel, v7.4.5714 (TasmanianThylacine)
AucStatPurchased, v7.4.5714 (TasmanianThylacine)
AucStatSales, v7.4.5714.5598(7.4/embedded)
AucStatSimple, v7.4.5714 (TasmanianThylacine)
AucStatStdDev, v7.4.5714 (TasmanianThylacine)
AucStatWOWEcon, v7.4.5714.5613(7.4/embedded)
AucUtilAHWindowControl, v7.4.5714.5575(7.4/embedded)
AucUtilAppraiser, v7.4.5714.5704(7.4/embedded)
AucUtilAskPrice, v7.4.5714.5599(7.4/embedded)
AucUtilAutoMagic, v7.4.5714.5686(7.4/embedded)
AucUtilCompactUI, v7.4.5714.5694(7.4/embedded)
AucUtilEasyBuyout, v7.4.5714.5576(7.4/embedded)
AucUtilFixAH, v7.4.5714 (TasmanianThylacine)
AucUtilItemSuggest, v7.4.5714.5651(7.4/embedded)
AucUtilPriceLevel, v7.4.5714.5633(7.4/embedded)
AucUtilScanButton, v7.4.5714.5631(7.4/embedded)
AucUtilScanFinish, v7.4.5714.5588(7.4/embedded)
AucUtilScanProgress, v7.4.5714.4979(7.4/embedded)
AucUtilScanStart, v7.4.5714.5347(7.4/embedded)
AucUtilSearchUI, v7.4.5714.5710(7.4/embedded)
AucUtilSimpleAuction, v7.4.5714.5705(7.4/embedded)
AucUtilVendMarkup, v7.4.5714.4828(7.4/embedded)
Babylonian, v5.1.DEV.332(/embedded)
BadBoy, vv7.3.1
BadBoyCCleaner, vv7.3.0
Bartender4, v4.7.10
BeanCounter, v7.4.5714 (TasmanianThylacine)
BuyEmAll, v3.3.5
Carbonite, v7.3.0
CarboniteInfo, v7.3.0
CarboniteNotes, v7.3.0
CarboniteQuests, v7.3.0
CarboniteSocial, v7.3.0
CarboniteWarehouse, v7.3.0
CarboniteWeekly, v7.3.0
ClassOrderHallsComplete, v1.26
Configator, v5.1.DEV.406(/embedded)
CTATracker, v
DBMCore, v7.3.1
DBMDefaultSkin, v
DBMPartyCataclysm, v
DBMStatusBarTimers, v
DebugLib, v5.1.DEV.337(/embedded)
Enchantrix, v7.4.5714 (TasmanianThylacine)
EnchantrixBarker, v7.4.5714 (TasmanianThylacine)
epgp, vv5.12.13
epgplootmaster, v6.71
epgplootmasterml, v6.71
GottaGoFast, v26500
GottaGoFastHistory, v26500
HandyNotes, vv1.4.15
HandyNotesBrokenShore, vv1.21
HandyNotesDraenorTreasures, v1.20a
HandyNotesLegionTreasures, v1
LibExtraTip, v5.12.DEV.423(/embedded)
MoveAnything, v16.2.2
OmniCC, v7.3
Overachiever, v0.99.8
OverachieverTabs, v0.99.8
Pawn, v2.2.13
PersonalLootHelper, v1.32
Postal, vv3.5.8
Prat30, vr1078
Prat30Libraries, v
ReputationBars, v7.3.0
Skada, v1.7.2
Skillet, v3.26
SlideBar, v7.4.5714 (TasmanianThylacine)
Stubby, v7.4.5714 (TasmanianThylacine)
TellMeWhen, v8.4.2
TellMeWhenOptions, v
TipHelper, v5.12.DEV.405(/embedded)
WeakAuras, v2.4.21
WorldQuestGroupFinder, v0.27
WorldQuestTracker, v
WoWProgressLink, v1.21
BlizRuntimeLib_enUS v7.3.0.70300
(ck=e1a)

Carb installed via curse with alpha version installation on on every module

Same versions on Curse Alpha as here:

GitHub: e19bdc0
CurseForge: e19bdc0 (https://wow.curseforge.com/projects/carbonite-social/files/2475106)

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