Details/Libs/DF/cooltip.lua:3515: attempt to perform arithmetic on field '?' (a nil value)

[PsjPocco]

Before Start!

Make sure the bug also happen when Details! is the only addon enabled.

Game and Details! version
Use /details to grab these two.
VCT 13303 RELEASE 11.0.5

Describe the bug

• Steps to Reproduce (what did you do to make the bug happen):
  Hover over Player List in Death Window
• Result (what happens when you follow the steps above):
  Throws Error
• Expected (what you think the expected behavior would be when following the steps):
  Don't rhwo error
• When the bug started (a date, wow path release, details update, etc)?
  since reset 11.12.24

Lua Error
Post here lua errors, if you aren't getting any, use /console scriptErrors 1
165x Details/Libs/DF/cooltip.lua:3515: attempt to perform arithmetic on field '?' (a nil value) [string "@Details/Libs/DF/cooltip.lua"]:3515: in function AddLine'
[string "@Details_DeathGraphs/details_hook.lua"]:70: in function <Details_DeathGraphs/details_hook.lua:17>
[string "=[C]"]: in function `ShowDeathTooltipFunction'
[string "@Details/classes/class_utility.lua"]:371: in function <Details/classes/class_utility.lua:368>
[string "=(tail call)"]: ?
[string "@Details/frames/window_main.lua"]:1876: in function <Details/frames/window_main.lua:1872>

Locals:
Skipped (In Encounter)`