Which software were you running? Windows

• Addon version name: 10.1.15
• Client used: [e.g. Vanilla 1.14.4, Retail PTR x.x.x, etc] Wrath Classic

Have you read the changelog?
Mark if read. Yes

Please describe the bug.
A clear and concise description of what the bug is.
When I open my bags, and right click on the backpack icon to go into my bank inventory, this error appears and the feature does not work.

Please describe how to reproduce it.

1. Go to '...' Open bags
2. Click on '....' Right click backpack
3. Scroll down to '....'
4. See error

Any Screenshots?
If applicable, please add screenshots to help explain your problem.
Message: ...nterface/AddOns/BagBrother/core/classes/currency.lua:22: bad argument #2 to 'format' (string expected, got nil)
Time: Tue Nov 21 19:01:29 2023
Count: 1
Stack: ...nterface/AddOns/BagBrother/core/classes/currency.lua:22: bad argument #2 to 'format' (string expected, got nil)
[string "=[C]"]: in function format' [string "@Interface/AddOns/BagBrother/core/classes/currency.lua"]:22: in function Set'
[string "@Interface/AddOns/BagBrother/core/classes/currencyTracker.lua"]:79: in function AddButton' [string "@Interface/AddOns/BagBrother/core/classes/currencyTracker.lua"]:66: in function Layout'
[string "@Interface/AddOns/BagBrother/core/classes/currencyTracker.lua"]:37: in function RegisterEvents' [string "@Interface/AddOns/BagBrother/core/classes/currencyTracker.lua"]:23: in function <...e/AddOns/BagBrother/core/classes/currencyTracker.lua:18> [string "=(tail call)"]: ? [string "@Interface/AddOns/Bagnon/src/frame.lua"]:308: in function PlaceCurrencies'
[string "@Interface/AddOns/Bagnon/src/frame.lua"]:93: in function Layout' [string "@Interface/AddOns/Bagnon/src/frame.lua"]:62: in function Update'
[string "@Interface/AddOns/Bagnon/src/frame.lua"]:52: in function RegisterSignals' [string "@Interface/AddOns/BagBrother/core/classes/frameBase.lua"]:22: in function <...terface/AddOns/BagBrother/core/classes/frameBase.lua:20> [string "=[C]"]: in function Show'
[string "@Interface/AddOns/BagBrother/core/api/frames.lua"]:32: in function `Show'
[string "@Interface/AddOns/BagBrother/core/classes/bagToggle.lua"]:42: in function <...terface/AddOns/BagBrother/core/classes/bagToggle.lua:35>

Locals: (*temporary) = "%s "
(*temporary) = nil
(*temporary) = 334365
(*temporary) = ""
(*temporary) = "string expected, got nil"

Error Logs are Important!
Type /console scriptErrors 1 in the chat and reload the game. If an error window appears when reproducing the bug, please write here the first message (labelled 1/Many) that appeared. ⚠️ By default, the last error message is shown, not the first! You need to navigate back to the first error.

Update, this error also appears when I open my bank manually from a bank teller

Message: ...nterface/AddOns/BagBrother/core/classes/currency.lua:22: bad argument #2 to 'format' (string expected, got nil)
Time: Tue Nov 21 19:20:47 2023
Count: 2
Stack: ...nterface/AddOns/BagBrother/core/classes/currency.lua:22: bad argument #2 to 'format' (string expected, got nil)
[string "=[C]"]: in function format' [string "@Interface/AddOns/BagBrother/core/classes/currency.lua"]:22: in function Set'
[string "@Interface/AddOns/BagBrother/core/classes/currencyTracker.lua"]:79: in function AddButton' [string "@Interface/AddOns/BagBrother/core/classes/currencyTracker.lua"]:66: in function ?'
[string "@Interface/AddOns/AtlasLootClassic/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua"]:109: in function <...sic/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:109>
[string "=[C]"]: ?
[string "@Interface/AddOns/AtlasLootClassic/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua"]:19: in function <...sic/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua:15>
[string "@Interface/AddOns/AtlasLootClassic/Libs/CallbackHandler-1.0/CallbackHandler-1.0.lua"]:54: in function SendMessage' [string "@Interface/AddOns/BagBrother/libs/WildAddon-1.0/WildAddon-1.0.lua"]:83: in function SendSignal'
[string "@Interface/AddOns/BagBrother/core/classes/base.lua"]:24: in function SendFrameSignal' [string "@Interface/AddOns/BagBrother/core/classes/frameBase.lua"]:153: in function SetOwner'
[string "@Interface/AddOns/BagBrother/core/api/frames.lua"]:31: in function `Show'
[string "@Interface/AddOns/BagBrother/core/features/autoDisplay.lua"]:61: in function <...face/AddOns/BagBrother/core/features/autoDisplay.lua:60>

Locals: (*temporary) = "%s "
(*temporary) = nil
(*temporary) = 334365
(*temporary) = ""
(*temporary) = "string expected, got nil"