This error keeps coming up after I open a mail item and it goes into my bag. I have Masque and LUI up to dated.

Message: Interface\AddOns\LUI\modules\bags.lua:283: attempt to compare number with nil
Time: Mon Aug 2 16:52:54 2021
Count: 3
Stack: Interface\AddOns\LUI\modules\bags.lua:283: attempt to compare number with nil
[string "@interface\AddOns\LUI\modules\bags.lua"]:283: in function SlotUpdate' [string "@Interface\AddOns\LUI\modules\bags.lua"]:905: in function Layout'
[string "@interface\AddOns\LUI\modules\bags.lua"]:1135: in function ReloadLayout' [string "@Interface\AddOns\LUI\modules\bags.lua"]:120: in function <Interface\AddOns\LUI\modules\bags.lua:118> [string "=[C]"]: in function Show'
[string "@interface\AddOns\LUI\modules\bags.lua"]:168: in function <Interface\AddOns\LUI\modules\bags.lua:163>
[string "=(tail call)"]: ?
[string "TOGGLEBACKPACK"]:1: in function <[string "TOGGLEBACKPACK"]:1>

Locals: self =

{
NewToggle = defined @interface\AddOns\LUI\devapi.lua:407
SetDefaultModuleLibraries = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:367
NewInputNumber = defined @interface\AddOns\LUI\devapi.lua:532
CheckBagsCopy = defined @interface\AddOns\LUI\modules\bags.lua:1119
EnableModule = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:332
modules = {
}
NewEnable = defined @interface\AddOns\LUI\devapi.lua:421
IterateEmbeds = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:442
BagType = defined @interface\AddOns\LUI\modules\bags.lua:426
SecureHookScript = defined @interface\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:410
BagFrameSlotNew = defined @interface\AddOns\LUI\modules\bags.lua:331
EnableBags = defined @interface\AddOns\LUI\modules\bags.lua:929
SetDefaultModulePrototype = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:409
defaultModuleState = true
NewExecute = defined @interface\AddOns\LUI\devapi.lua:498
IsEnabled = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:451
DisableModule = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:350
NewColorNoAlpha = defined @interface\AddOns\LUI\devapi.lua:686
CopyBags = defined @interface\AddOns\LUI\modules\bags.lua:1099
RegisterMessage = defined @interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
UnregisterMessage = defined @interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
NewHeader = defined @interface\AddOns\LUI\devapi.lua:391
hooks = {
}
BAG_UPDATE_DELAYED = defined @interface\AddOns\LUI\modules\bags.lua:1026
NewInput = defined @interface\AddOns\LUI\devapi.lua:518
db = {
}
InitSelect = defined @interface\AddOns\LUI\modules\bags.lua:199
SetEnabledState = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:424
Hook = defined @interface\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:274
enabledState = true
RegisterEvent = defined @interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
Layout = defined @interface\AddOns\LUI\modules\bags.lua:701
NewPosition = defined @interface\AddOns\LUI\devapi.lua:581
NewGroup = defined @interface\AddOns\LUI\devapi.lua:338
IterateModules = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:437
RawHook = defined @interface\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:313
PLAYERBANKSLOTS_CHANGED = defined @interface\AddOns\LUI\modules\bags.lua:1004
ITEM_LOCK_CHANGED = defined @interface\AddOns\LUI\modules\bags.lua:1030
Enable = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:294
NewModule = defined @interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0