Here is an error i get when talking to an NPC.
Message: Interface\AddOns\SVUI_!Core\system\funstuff.lua:192: attempt to index field 'InfoTop' (a nil value)
Time: Sat Jun 29 12:46:03 2019
Count: 6
Stack: Interface\AddOns\SVUI_!Core\system\funstuff.lua:192: attempt to index field 'InfoTop' (a nil value)
Interface\AddOns\SVUI_!Core\system\funstuff.lua:192: in function Toggle' Interface\AddOns\SVUI_!Core\system\funstuff.lua:209: in function <Interface\AddOns\SVUI_!Core\system\funstuff.lua:209> [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: ? [C]: in function Show'
Interface\FrameXML\UIParent.lua:2652: in function SetUIPanel' Interface\FrameXML\UIParent.lua:2497: in function ShowUIPanel'
Interface\FrameXML\UIParent.lua:2365: in function <Interface\FrameXML\UIParent.lua:2361>
[C]: in function SetAttribute' Interface\FrameXML\UIParent.lua:3212: in function ShowUIPanel'
Interface\FrameXML\GossipFrame.lua:22: in function <Interface\FrameXML\GossipFrame.lua:10>

Locals: self = SVUI_NPCFrame {
PlayerTalksFirst = defined @interface\AddOns\SVUI_!Core\system\funstuff.lua:145
NPCTalksFirst = defined @interface\AddOns\SVUI_!Core\system\funstuff.lua:123
Model = SVUI_NPCFrameModel {
}
Toggle = defined @interface\AddOns\SVUI_!Core\system\funstuff.lua:173
Register = defined @interface\AddOns\SVUI_!Core\system\funstuff.lua:207
0 =
}
parentFrame = GossipFrame {
0 =
TitleText = GossipFrameTitleText {
}
portrait = GossipFramePortrait {
}
SetBorder = defined @interface\SharedXML\PortraitFrame.lua:27
layoutType = "PortraitFrameTemplate"
hasActiveQuests = false
SetPortraitShown = defined @interface\SharedXML\PortraitFrame.lua:52
Bg = GossipFrameBg {
}
Panel = {
}
SetPortraitAtlasRaw = defined @interface\SharedXML\PortraitFrame.lua:44
SetPortraitToUnit = defined @interface\SharedXML\PortraitFrame.lua:36
SetBackdropBorderColor = defined =[C]:-1
SetPortraitTexCoord = defined @interface\SharedXML\PortraitFrame.lua:48
buttonIndex = 2
SetPortraitTextureRaw = defined @interface\SharedXML\PortraitFrame.lua:40
SetTitleFormatted = defined @interface\SharedXML\PortraitFrame.lua:64
NineSlice = {
}
TopTileStreaks = {
}
TitleBg = {
}
UpdateBackdrop = defined @interface\AddOns\SVUI_!Core\system\api.lua:498
SetPortraitToAsset = defined @interface\SharedXML\PortraitFrame.lua:32
SetTitleMaxLinesAndHeight = defined @interface\SharedXML\PortraitFrame.lua:68
SetTitleColor = defined @interface\SharedXML\PortraitFrame.lua:56
CloseButton = GossipFrameCloseButton {
}
SetBackdrop = defined =[C]:-1
SetFrameLevel = defined =[C]:-1
SetPoint = defined =[C]:-1
Inset = GossipFrameInset {
}
SetTitle = defined @interface\SharedXML\PortraitFrame.lua:60
BackdropNeedsUpdate = true
}
textFrame = GossipFrameNpcNameText {
0 =
SetText = defined =[C]:-1
}
timer = 0
text = "Dazzerian"
(*temporary) = nil
(*temporary) = GossipFrameNpcNameText {
0 =
SetText = defined =[C]:-1
}
(*temporary) =
(*temporary) = 0
(*temporary) = "attempt to index field 'InfoTop' (a nil value)"
InCombatLockdown = defined =[C]:-1
SV =

{
defaults = {
}
UnregisterUpdate = defined @interface\AddOns\SVUI_!Core\libs_SVUI_Lib\Registry.lua:509
HexColor = defined @interface\AddOns\SVUI_!Core\system\media.lua:562
class = "WARLOCK"
ResetData = defined @interface\AddOns\SVUI_!Core\libs_SVUI_Lib\Registry.lua:1058
AvailableThemes = {
}
CopyProfile = defined @interface\AddOns\SVUI_!Core\system\profile.lua:87
Skins = {
}
CHAT_MSG_COMBAT_FACTION_CHANGE = defined @interface\AddOns\SVUI_!Core\system\automations.lua:251
NameID = "SVUI"
___eventframe