What steps will reproduce the problem?
1. When transitioning between zones.
2. Sometimes when targetting an npc, or pc and zoning out
3.

What is the expected output? What do you see instead?
Expect no error, but this one will show up.

What version of the product are you using?
r955

Do you have an error log of what happened?
The log follows:

9x LibDogTag-3.0-90203.90203 Error with code "[FractionalHP:HPColor:Bracket]" (Base;Unit). integer overflow attempting to store -1.#IND
...eIceHUD\libs\LibDogTag-3.0\LibDogTag-3.0-90203.lua:301 in function <...eIceHUD\libs\LibDogTag-3.0\LibDogTag-3.0.lua:287
...eIceHUD\libs\LibDogTag-3.0\LibDogTag-3.0-90203.lua:345 in function `UpdateAllForFrame'
IceHUD\IceBarElement.lua:1299 in function `UpdateBar'
IceHUD\IceUnitBar.lua:282 in function `UpdateBar'
IceHUD\modules\PlayerHealth.lua:1397 in function `UpdateBar'
IceHUD\modules\PlayerHealth.lua:1212 in function `Update'
IceHUD\IceElement.lua:464 in function `?'
...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0-6.lua:147 in function <...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:147
[string "safecall Dispatcher[1]"]:4: in function <[string "safecall Dispatcher[1]"]:4>
[C]: ?
[string "safecall Dispatcher[1]"]:13: in function `?'
...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0-6.lua:92 in function `Fire'
Ace3\AceEvent-3.0\AceEvent-3.0-3.lua:120 in function <Ace3\AceEvent-3.0\AceEvent-3.0.lua:119

Locals:
nil

Please provide any additional information below.

Sometimes it'll get triggered when you are targetting an npc and zone out, unavoidable sometimes since for some quests you gotta be tagging the npc in order for them to send you somewhere.