Game and Details! version
Details! Version: R8096
Game Version: v9.0.2

Describe the bug
Encounter Breakdown, selecting Huntsman Altimor from the dropdown triggers LUA error.

Lua Error
Message: Interface\AddOns\Details\Libs\DF\dropdown.lua:529: Details! Framework: dropdown Details_EncounterDetailsSegmentsDropdown error: ...etails_EncounterDetails\Details_EncounterDetails.lua:1487: table index is nil
Time: Sun Dec 20 14:34:37 2020
Count: 1
Stack: Interface\AddOns\Details\Libs\DF\dropdown.lua:529: Details! Framework: dropdown Details_EncounterDetailsSegmentsDropdown error: ...etails_EncounterDetails\Details_EncounterDetails.lua:1487: table index is nil
[string "=[C]"]: in function `error'
[string "@interface\AddOns\Details\Libs\DF\dropdown.lua"]:529: in function <Interface\AddOns\Details\Libs\DF\dropdown.lua:516>

Locals: (*temporary) = "Details! Framework: dropdown Details_EncounterDetailsSegmentsDropdown error: ...etails_EncounterDetails\Details_EncounterDetails.lua:1487: table index is nil"

This encounter shows fine:

But selecting Huntsman Altimor from dropdown triggers LUA error. Only some panels update: