PC NA : ESOUI Error After Claiming Daily Reward While Logging Out of Character

Shadowshire

The following events happened after midnight on 17 September 2019:

While playing one of my characters, I used ESC > LOGOUT and the game client displayed the Daily Reward dialog. I used the "Claim" button and the following UI Error was displayed in a dialog:

EsoUI/Libraries/Globals/GlobalVars.lua:47: attempt to index a nil value 
stack traceback:

EsoUI/Libraries/Globals/GlobalVars.lua:47: in function 'GetControl' |caaaaaa<Locals> suffix = "Flash" </Locals>|r
EsoUI/Ingame/Inventory/Inventory.lua:1281: in function 'ZO_InventoryManager:PlayItemAddedAlert' |caaaaaa<Locals> self = tbl, filterData = tbl, tabFilters = tbl, filterKey = 1, tabFilter = tbl, filterIndex = 1 </Locals>|r
EsoUI/Ingame/Inventory/Inventory.lua:1358: in function 'ZO_InventoryManager:OnInventoryItemAdded' |caaaaaa<Locals> self = tbl, inventoryType = 1, bagId = 1, slotIndex = 17, newSlotData = tbl, inventory = tbl </Locals>|r
EsoUI/Ingame/Inventory/Inventory.lua:680: in function 'callback' |caaaaaa<Locals> bagId = 1, slotIndex = 17, newSlotData = tbl, inventory = 1 </Locals>|r
EsoUI/Libraries/Utility/ZO_CallbackObject.lua:111: in function 'ZO_CallbackObject:FireCallbacks' |caaaaaa<Locals> self = tbl, eventName = "SlotAdded", registry = tbl, callbackInfoIndex = 1, callbackInfo = tbl, callback = EsoUI/Ingame/Inventory/Inventory.lua:677, deleted = false </Locals>|r
EsoUI/Ingame/Inventory/SharedInventory.lua:494: in function 'ZO_SharedInventoryManager:HandleSlotCreationOrUpdate' |caaaaaa<Locals> self = tbl, bagCache = tbl, bagId = 1, slotIndex = 17, isNewItem = true, slotData = tbl, result = 2 </Locals>|r
EsoUI/Ingame/Inventory/SharedInventory.lua:267: in function 'ZO_SharedInventoryManager:RefreshSingleSlot' |caaaaaa<Locals> self = tbl, bagId = 1, slotIndex = 17, isNewItem = true, itemSoundCategory = 19, updateReason = 0, bagCache = tbl </Locals>|r
EsoUI/Ingame/Inventory/SharedInventory.lua:56: in function 'RefreshSingle' 
EsoUI/Libraries/Refresh/Refresh.lua:65: in function 'ZO_Refresh:UpdateRefreshGroups' |caaaaaa<Locals> self = tbl, refreshGroup = "inventory", refreshData = tbl, _ = 1, singleData = tbl </Locals>|r
EsoUI/Ingame/Inventory/SharedInventory.lua:93: in function 'OnInventorySlotUpdated' |caaaaaa<Locals> eventCode = 131223, bagId = 1, slotIndex = 17, isNewItem = true, itemSoundCategory = 19, updateReason = 0 </Locals>|r

Apparently, the same UI Error occurred subsequently when I logged-in to play another character -- although not when I logged-in to play the next character after the one which I was playing when the above dialog was displayed. After I dismissed the error and proceeded to play, the game client was not outputting the HUD correctly. Reloading the UI resolved that situation.