跟postal同时打开的时候会报以下错误，我用其他角色测试了一下，只打开ndui与postal的时候是不会报错的，只有这个角色会。尝试过重置该角色的配置，但还是会报这个错误

NDui/Core/Functions.lua:1180: attempt to index local 'self' (a nil value)
[NDui/Core/Functions.lua]:1180: in function 'ReskinArrow'
[NDui/Modules/SkinsOthers.lua]:50: in function <NDui/Modules/SkinsOthers.lua:40>

Locals:
self = nil
direction = "down"
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to index local 'self' (a nil value)"
B =

{
EasyMenu = NDui_EasyMenu {
}
HiddenFrame = Frame {
}
Modules = {
}
}
DB = {
LineString = "|cff7b8489---------------"
b = 0.039216
MyName = "砚池星沉"
g = 0.486275
flagTex = "Interface\Addons\NDui\Media\Hutu\flag"
TexCoord = {
}
gearTex = "Interface\WorldMap\Gear_64"
starTex = "Interface\Addons\NDui\Media\Hutu\star"
MyRealm = "安苏"
gradTex = "Interface\Addons\NDui\Media\gradTex"
questTex = "adventureguide-microbutton-alert"
creditTex = "Interface\HelpFrame\HelpIcon-KnowledgeBase"
LeftButton = " |TInterface\TUTORIALFRAME\UI-TUTORIAL-FRAME:13:11:0:-1:512:512:12:66:230:307|t "
objectTex = "Warfronts-BaseMapIcons-Horde-Barracks-Minimap"
eyeTex = "Interface\Minimap\Raid_Icon"
afdianTex = "Interface\Addons\NDui\Media\Hutu\Afdian"
ClassColors = {
}
MyFaction = "Horde"
QualityColors = {
}
boxTex = "Interface\Addons\NDui\Media\Hutu\Box"
ArrowUp = "Interface\Addons\NDui\Media\Hutu\arrow"
ScreenHeight = 1440
flatTex = "Interface\Addons\NDui\Media\flatTex"
Role = "Tank"
chatLogo = "Interface\Addons\NDui\Media\Hutu\logoSmall"
sponsorTex = "Interface\Addons\NDui\Media\Hutu\Sponsor"
copyTex = "Interface\Buttons\UI-GuildButton-PublicNote-Up"
patreonTex = "Interface\Addons\NDui\Media\Hutu\Patreon"
NDuiString = "|cff0080ffNDui:|r"
Devs = {
}
MyClass = "DRUID"
AFKTex = "|TInterface\FriendsFrame\StatusIcon-Away:14:14:0:0:16:16:1:15:1:15|t"
Font = {
}
Version = "8.7.0"
ClassList = {
}
pushedTex = "Interface\Addons\NDui\Media\pushed"
BuffList = {
}
RightButton = " |TInterface\TUTORIALFRAME\UI-TUTORIAL-FRAME:13:11:0:-1:512:512:12:66:333:410|t "
garrTex = "Interface\HelpFrame\HelpIcon-ReportLag"
isNewPatch = true
Client = "zhCN"
bdTex = "Interface\ChatFrame\ChatFrameBackground"
MicroTex = "Interface\Addons\NDui\Media\Hutu\Menu"
binTex = "Interface\HelpFrame\ReportLagIcon-Loot"
MyColor = "|cffff7c0a"
GreyColor = "|cff7b8489"
mailTex = "Interface\Minimap\Tracking\Mailbox"
isWW = true
normTex = "Interface\Addons\NDui_Plus\Media\Texture\normTex"
InfoColor = "|cff99ccff"
newItemFlash = "Interface\Cooldown\star4"
closeTex = "Interface\Addons\NDui\Media\Hutu\close"
RaidPetFlags = 4372
PartyPetFlags = 4370
glowTex = "Interface\Addons\NDui\Media\glowTex"
bgTex = "Interface\Addons\NDui\Media\bgTex"
ScrollButton = " |TInterface\TUTORIALFRAME\UI-TUTORIAL-FRAME:13:11:0:-1:512:512:12:66:127:204|t "
sparkTex = "Interface\CastingBar\UI-CastingBar-Spark"
r = 1
ScreenWidth = 3440
arrowTex = "Interface\Addons\NDui\Media\TargetArrow"
curseforgeTex = "Interface\Addons\NDui\Media\Hutu\CURSEFORGE"
Support = "TWW"
logoTex = "Interface\Addons\NDui\Media\Hutu\logo"
ReminderBuffs = {
}
MyFullName = "砚池星沉-安苏"
DNDTex = "|TInterface\FriendsFrame\StatusIcon-DnD:14:14:0:0:16:16:1:15:1:15|t"
}