Running Software (issues missing this information will be deleted):

• Addon version: 9.1.3 (WoW Classic)
• Server patch: 1.14.1 Build 40962

Have you read the changelog? (please don't waste our time)

• Yes

Describe the bug
Clicking the character selector drop-down icon in inventory or bank UI fails to produce a drop-down menu of characters.

To Reproduce
Steps to reproduce the behaviour:

1. Open inventory/bank
2. Click on the character selector icon in the upper left.
3. No result, but see error.

Expected behaviour
I expected to see the drop-down menu of characters to choose whose bank/inventory items to view.

Screenshots
N/A

Error Logs
12x ...\Wildpants\libs\Sushi-3.1-4\classes\drops\Dropdown.lua:136: Invalid data provided for :SetBackdrop
[string "=[C]"]: in function assert' [string "@Bagnon\common\Wildpants\libs\Sushi-3.1-4\classes\drops\Dropdown.lua"]:136: in function SetBackdrop'
[string "@bagnon\common\Wildpants\libs\Sushi-3.1-4\classes\drops\Dropdown.lua"]:48: in function New' [string "@Bagnon\common\Wildpants\libs\Sushi-3.1-4\classes\drops\Dropdown.lua"]:57: in function Toggle'
[string "@bagnon\common\Wildpants\classes\ownerSelector.lua"]:32: in function <...ns\Bagnon\common\Wildpants\classes\ownerSelector.lua:30>

Locals:
(*temporary) = false
(*temporary) = "Invalid data provided for :SetBackdrop"

Additional context
Worked just fine in 1.14.0 (branched from the TBCC client), but today's patch to get the client ready for Season of Mastery included a couple API changes apparently.

I posted a fix for retail on curseforge. Here is a link to the post https://www.curseforge.com/wow/addons/bagnon?comment=8774

However, I do not know if it will 100% work with classic, I do not play it so I can not test myself