What steps will reproduce the problem?
1. Login
2. open Auction
3. Sell tab

What is the expected output? What do you see instead?
The Sell tab is empty

What version of the product are you using?
3.18

Do you have an error log of what happened?
[11:37:43] ...terface\AddOns\AuctionMaster\Core\DropDownButton.lua:41 attempt to index local 'button' (a nil value)
...Ons\AuctionMaster\Libs\AceAddon-2.0\AceAddon-2.0.lua:25 in function <...Ons\AuctionMaster\Libs\AceAddon-2.0\AceAddon-2.0.lua:23
...Ons\AuctionMaster\Libs\AceAddon-2.0\AceAddon-2.0.lua:1055 in function `ManualEnable'
...Ons\AuctionMaster\Libs\AceAddon-2.0\AceAddon-2.0.lua:983 in function <...Ons\AuctionMaster\Libs\AceAddon-2.0\AceAddon-2.0.lua:976
[C]: ?
Interface\AddOns\Ace2\AceEvent-2.0\AceEvent-2.0.lua:260 in function `TriggerEvent'
Interface\AddOns\Ace2\AceEvent-2.0\AceEvent-2.0.lua:910 in function <Interface\AddOns\Ace2\AceEvent-2.0\AceEvent-2.0.lua:903

[11:42:05] ...AuctionMaster\Modules\Seller\AutomaticPriceModel.lua:113 attempt to index field 'autoCheck' (a nil value)
[C]: ?
...AuctionMaster\Modules\Seller\AutomaticPriceModel.lua:113 in function `Update'
...AuctionMaster\Modules\Seller\AutomaticPriceModel.lua:105 in function `SetItem'
...rface\AddOns\AuctionMaster\Modules\Seller\Seller.lua:1068 in function `UpdateTabFrame'
...\AuctionMaster\Modules\AuctionHouse\AuctionHouse.lua:172 in function <...\AuctionMaster\Modules\AuctionHouse\AuctionHouse.lua:154
...\AuctionMaster\Modules\AuctionHouse\AuctionHouse.lua:365 in function <...\AuctionMaster\Modules\AuctionHouse\AuctionHouse.lua:364
(tail call): ?
[C]: in function `AuctionFrameTab_OnClick'
[string "*:OnClick"]:1: in function <[string "*:OnClick"]:1>

[11:42:15] Interface\FrameXML\MoneyInputFrame.lua:44 attempt to index local 'moneyFrame' (a nil value)
Interface\AddOns\Ace2\AceEvent-2.0\AceEvent-2.0.lua:299 in function `TriggerEvent'
Interface\AddOns\Ace2\AceEvent-2.0\AceEvent-2.0.lua:910 in function <Interface\AddOns\Ace2\AceEvent-2.0\AceEvent-2.0.lua:903
[C]: in function `CloseAuctionHouse'
[string "*:OnHide"]:5: in function <[string "*:OnHide"]:1>
[C]: in function `Hide'
Interface\FrameXML\UIParent.lua:1449 in function `SetUIPanel'
Interface\FrameXML\UIParent.lua:1472 in function `MoveUIPanel'
Interface\FrameXML\UIParent.lua:1496 in function `HideUIPanel'
Interface\FrameXML\UIParent.lua:1203 in function <Interface\FrameXML\UIParent.lua:1195
[C]: in function `SetAttribute'
Interface\FrameXML\UIParent.lua:1841 in function <Interface\FrameXML\UIParent.lua:1828
[C]: in function `HideUIPanel'
[string "*:OnClick"]:1: in function <[string "*:OnClick"]:1>

Please provide any additional information below.