When deactivate the "Target Indicator" i get this error message.

Message: ...erface\AddOns\FreeUI\modules\unitframe\nameplate.lua:385: attempt to index local 'element' (a nil value)
Time: Thu Apr 21 05:42:17 2022
Count: 2
Stack: ...erface\AddOns\FreeUI\modules\unitframe\nameplate.lua:385: attempt to index local 'element' (a nil value)
[string "@interface\AddOns\FreeUI\modules\unitframe\nameplate.lua"]:385: in function UpdateTargetIndicatorVisibility' [string "@Interface\AddOns\FreeUI\modules\unitframe\nameplate.lua"]:963: in function UpdatePlateByType'
[string "@interface\AddOns\FreeUI\modules\unitframe\nameplate.lua"]:980: in function `RefreshPlateType'
[string "@interface\AddOns\FreeUI\modules\unitframe\nameplate.lua"]:1016: in function <...erface\AddOns\FreeUI\modules\unitframe\nameplate.lua:997>
[string "@interface\AddOns\FreeUI\libs\oUF\ouf.lua"]:830: in function <Interface\AddOns\FreeUI\libs\oUF\ouf.lua:791>

Locals: self = oUF_NameplateNamePlate2 {
Overlay = {
}
HealthPrediction =

{
}
isNamePlate = true
__tags = {
}
PLAYER_ENTERING_WORLD = {
}
plateType = "None"
QUEST_LOG_UPDATE = defined @interface\AddOns\FreeUI\modules\unitframe\nameplate.lua:535
isFriendly = false
unitEvents = {
}
reaction = 4
UNIT_PET = defined @interface\AddOns\FreeUI\libs\oUF\ouf.lua:236
unitName = "Graslandvombata"
UNIT_MAXHEALTH = {
}
__elements = {
}
UNIT_SPELLCAST_NOT_INTERRUPTIBLE = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:313
widgetsOnly = false
unitStyle = "nameplate"
npcID = 178913
questCount = {
}
UNIT_HEAL_ABSORB_AMOUNT_CHANGED = defined @interface\AddOns\FreeUI\libs\oUF\elements\healthprediction.lua:197
questIcon = {
}
UNIT_SPELLCAST_CHANNEL_START = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:110
UNIT_THREAT_SITUATION_UPDATE = defined @interface\AddOns\FreeUI\libs\oUF\elements\threatindicator.lua:90
NameTag = {
}
UNIT_HEALTH = {
}
style = "Nameplate"
UNIT_THREAT_LIST_UPDATE = defined @interface\AddOns\FreeUI\libs\oUF\elements\threatindicator.lua:90
Castbar = oUF_Castbarnameplate {
}
RAID_TARGET_UPDATE = defined @interface\AddOns\FreeUI\libs\oUF\elements\raidtargetindicator.lua:62
UNIT_EXITED_VEHICLE = defined @interface\AddOns\FreeUI\libs\oUF\ouf.lua:46
SetHealthUpdateSpeed = defined @interface\AddOns\FreeUI\libs\oUF\elements\health.lua:265
SetHealthUpdateMethod = defined @interface\AddOns\FreeUI\libs\oUF\elements\health.lua:270
widgetContainer = {
}
UNIT_HEAL_PREDICTION = defined @interface\AddOns\FreeUI\libs\oUF\elements\healthprediction.lua:197
PixelSnapDisabled = true
UNIT_SPELLCAST_INTERRUPTIBLE = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:313
RaidTargetIndicator = {
}
Auras = {
}
UNIT_SPELLCAST_DELAYED = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:207
PLAYER_TALENT_UPDATE = defined @interface\AddOns\FreeUI\modules\unitframe\plugins\debuffwatcher.lua:32
PLAYER_FOCUS_CHANGED = defined @interface\AddOns\FreeUI\modules\unitframe\nameplate.lua:323
unitGUID = "Creature-0-4237-2374-1198-178913-000060A0D9"
UNIT_SPELLCAST_CHANNEL_UPDATE = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:207
tarName = {
}
UNIT_AURA = defined @interface\AddOns\FreeUI\libs\oUF\elements\auras.lua:318
UNIT_SPELLCAST_STOP = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:260
isPlayer = false
UNIT_SPELLCAST_START = defined @interface\AddOns\FreeUI\libs\oUF\elements\castbar.lua:110
UPDATE_MOUSEOVER_UNIT = defined @interface\AddOns\FreeUI\modules\unitframe\nameplate.lua:481
UNIT_ABSORB_AMOUNT_CHANGED = defined @interface\AddOns\FreeUI\libs\oUF\elements\healthprediction.lua:197
id = "

Is it possible, to hide the outline graphic? This three spikes? Or change it to Arrows?

And how do i scale the "Explosive Indicator"? Haven't find an option for it.

Greetings, Franky