When i hit Darkeye Bonecaster in Trisfal = Agamand Mills with my Priest long range skill i got this error . Because mob have frostbolt cast .
Message: Interface\AddOns\NeatPlatesHub\functions\Alpha.lua:31: attempt to compare number with nil
Time: Sun Sep 15 01:20:06 2019
Count: 27
Stack: Interface\AddOns\NeatPlatesHub\functions\Alpha.lua:31: attempt to compare number with nil
Interface\AddOns\NeatPlatesHub\functions\Alpha.lua:31: in function <Interface\AddOns\NeatPlatesHub\functions\Alpha.lua:29>
(tail call): ?
Interface\AddOns\NeatPlatesHub\functions\Alpha.lua:173: in function SetAlpha' Interface\AddOns\NeatPlates\NeatPlatesCore.lua:831: in function <Interface\AddOns\NeatPlates\NeatPlatesCore.lua:828> Interface\AddOns\NeatPlates\NeatPlatesCore.lua:957: in function <Interface\AddOns\NeatPlates\NeatPlatesCore.lua:904> Interface\AddOns\NeatPlates\NeatPlatesCore.lua:1338: in function ?'
Interface\AddOns\NeatPlates\NeatPlatesCore.lua:1120: in function <Interface\AddOns\NeatPlates\NeatPlatesCore.lua:1119>

Locals: unit =

{
spellInterruptible = true
isCasting = true
interrupted = false
interruptLogged = false
}
(*temporary) = nil
(*temporary) = true
(*temporary) = "attempt to compare number with nil"
InCombatLockdown = defined =[C]:-1
LocalVars = {
TextShowOnlyOnActive = false
WidgetAuraSort = 1
TextShowOnlyOnTargets = false
ColorFriendlyBarMode = 1
WidgetBuffEnrage = false
UnitSpotlightLookup = {
}
EnableOffTankHighlight = false
BorderBuffEnrage = 1
OpacityFilterNonElite = false
Theme = "Blizzard"
SpellCastEnableFriendly = false
WidgetPandemic = false
OpacityFilterPlayers = false
StyleEnemyBarsInstanceMode = false
ColorSchoolHoly = {
}
FriendlyNameColorMode = "Default"
HighlightMouseoverScale = {
}
ColorTarget = {
}
ColorEnemyStatusTextMode = 1
WidgetRangeMode = 1
OpacityNonTarget = 0.500000
EmphasizedSlots = 1
FilterScaleLock = false
StyleEnemyBarsOnElite = true
StyleEnemyBarsNoTotem = false
IntCastWhoEnable = true
OpacityFilterFriendlyNPC = false
UnitSpotlightColor = {
}
StyleEnemyBarsClickThrough = false
StyleFriendlyBarsClickThrough = false
StatusTextRight = 7
StyleFriendlyBarsOnPlayers = true
FrameVerticalPosition = 0.700000
HighlightFocustMode = 1
CustomColorList = ""
WidgetEnableExternal = true
ColorSchoolFrost = {
}
WidgetQuestIcon = false
StatusTextCenterColor = true
ColorFriendlyNameMode = 1
TextColorGuildMember = {
}
StyleEnemyMode = 1
HighlightTargetMode = 1
HeadlineFriendlySubtext = "RoleGuildLevel"
StyleFriendlyBarsNoTotem = false
WidgetBuffPurgeable = false
WidgetThreatIndicator = true
ThreatSoloEnable = false
TextColorNeutral = {
}
ScaleFunctionMode = "ByThreat"
ColorEnemyNameMode = 1
StyleFriendlyBarsInstanceMode = false
ColorFriendlyNPC = {
}
EnemyBarColorMode = "ByReaction"
WidgetAuraTrackMagic = true
ScaleMouseoverSpotlight = false
TextColorFriendlyPlayer = {
}
OpacityFilterMini = false
HeadlineEnemyColor = 4
OpacityFullNoTarget = true
ColorPartyAggro = {
}
StatusTextLeftColor = true
UnitSpotlightBarEnable = true
HeadlineFriendlyColor = 4
ColorHighHealth = {
}
ColorSchoolNature = {
}
StyleHeadlineMiniMobs = false
StyleFriendlyBarsNoMinions = false
SafeColorSolo = false
FriendlyStatusTextMode = "HealthFunctionExact"
HideAuraDuration = false
ColorCastBySchool = true
UnitSpotlightOpacity = 1
StyleFriendlyBarsOnElite = false
WidgetAbsorbIndicator = false
ColorHealthBarMode = 3
CastBarWidth = 1
StyleFriendlyBarsOnActive = true
EmphasizedAuraList = ""
WidgetAuraTrackCurse = true
HeadlineEnemySubtext = "RoleGuildLevel"
FriendlyBarColorMode = "ByReaction"
ColorRangeFar = {
}
StyleHeadlineOutOfCombat = false
AltShortening = false
ColorThreatTransition = {
}
UseGlobalSet = false
WidgetComboPoints = true
IntCastEnable = true
TextColorPartyMember = {
}
WidgetEliteIndicator = true
ColorHostileNPC = {
}
WidgetDebuffPriority = {
}
UnitSpotlightGlowEnable = true
WidgetAuraTrackDisea