When I select "instances" in the guide, this error appears.

Message: Interface\AddOns\Carbonite\NxMapGuide.lua:1210: attempt to concatenate local 'name' (a nil value) Time: Wed Dec 25 18:33:11 2019 Count: 1 Stack: Interface\AddOns\Carbonite\NxMapGuide.lua:1210: attempt to concatenate local 'name' (a nil value) Interface\AddOns\Carbonite\NxMapGuide.lua:1210: in function UpdateList'
Interface\AddOns\Carbonite\NxMapGuide.lua:1144: in function Update' Interface\AddOns\Carbonite\NxMapGuide.lua:681: in function OnListEventDo'
Interface\AddOns\Carbonite\NxMapGuide.lua:636: in function `UserFunc'
Interface\AddOns\Carbonite\NxUI.lua:6502: in function <Interface\AddOns\Carbonite\NxUI.lua:6481>

Locals: self =

{
Win = {
}
PadX = 0
PathHistory = {
}
MenuIDelete = {
}
POIDraw = true
List = {
}
List2 = {
}
ShowQuestGiverCompleted = false
GuideIndex = 1
MenuIGotoQ = {
}
Map = {
}
ToolBarW = 0
EditBox = {
}
Menu = {
}
POIMapId = 1165
ShowFolders = {
}
PathHistorySel = {
}
ShowAllCont = true
TitleH = 0
}
list = {
SelFrm = {
}
LineHPad = 16
MinW = 2
Vis = 17
HdrH = 11
Data = {
}
BaseLineH = 28
UserFunc = defined @interface\AddOns\Carbonite\NxMapGuide.lua:638
Selected = 1
HdrFrm = {
}
ButData = {
}
Num = 9
Columns = {
}
User = {
}
SSW = 813.916033
SSH = 496.571411
Buts = {
}
UsedFrms = {
}
Top = 1
Font = "Font.Medium"
Sorted = false
Frm = {
}
FontObj = NxFontM {
}
MinH = 1
Strs = {
}
Slider = {
}
}
pathI = 2
listSide = 2
curFolder = {
1 = {
}
2 = {
}
3 = {
}
4 = {
}
5 = {
}
6 = {
}
7 = {
}
8 = {
}
9 = {
}
10 = {
}
11 = {
}
Name = "Instances"
Tx = "INV_Misc_ShadowEgg"
}
filterStr = ""
(for generator) = defined =[C]:-1
(for state) = {
1 = {
}
2 = {
}
3 = {
}
4 = {
}
5 = {
}
6 = {
}
7 = {
}
8 = {
}
9 = {
}
10 = {
}
11 = {
}
Name = "Instances"
Tx = "INV_Misc_ShadowEgg"
}
(for control) = 10
index = 10
folder = {
1 = {
}
2 = {
}
3 = {
}
4 = {
}
5 = {
}
6 = {
}
7 = {
}
8 = {
}
9 = {
}
10 = {
}
11 = {
}
12 = {
}
13 = {
}
14 = {
}
15 = {
}
16 = {
}
17 = {
}
18 = {
}
19 = {
}
20 = {
}
21 = {
}
22 = {
}
23 = {
}
24 = {
}
Tx = "INV_Misc_ShadowEgg"
Name = "@za"
Inst = 10
}
add = true
name = nil
show = true
column4 = nil
col = ""
(*temporary) = nil
(*temporary) = " >>"
(*temporary) = nil
(*temporary) = defined @interface\AddOns\Carbonite\NxUI.lua:6252
(*temporary) = {
SelFrm = {
}
LineHPad = 16
MinW = 2
Vis = 17
HdrH = 11
Data = {
}
BaseLineH = 28
UserFunc = defined @interface\AddOns\Carbonite\NxMapGuide.lua:638
Selected = 1
HdrFrm = {
}
ButData = {
}
Num = 9
Columns = {
}
User = {
}
SSW = 813.916033
SSH = 496.571411
Buts = {
}
UsedFrms = {
}
Top = 1
Font = "Font.Medium"
Sorted = false
Frm = {
}
FontObj = NxFontM {
}
MinH = 1
Strs = {
}
Slider = {
}
}
(*temporary) = "Guide"
(*temporary) = nil
(*temporary) = "Interface\Icons\INV_Misc_ShadowEgg"
(*temporary) = nil
(*temporary) = nil
(*temporary) = 9
(*temporary) = {
1 = "Guide"
2 = "Guide"
3 = "Guide"
4 = "Guide"
5 = "Guide"
6 = "Guide"
7 = "Guide"
8 = "Guide"
9 = "Guide"
1000002 = "Interface\Icons\INV_Misc_ShadowEgg"
1000003 = "Interface\Icons\INV_Misc_ShadowEgg"
1000004 = "Interface\Icons\INV_Misc_ShadowEgg"
1000005 = "I`