4x Interface/AddOns/Skillet/UI/ShoppingList.lua:318: attempt to call global 'GetContainerNumSlots' (a nil value)
[string "@Interface/AddOns/Skillet/UI/ShoppingList.lua"]:318: in function <Interface/AddOns/Skillet/UI/ShoppingList.lua:304>
[string "@Interface/AddOns/Skillet/UI/ShoppingList.lua"]:417: in function ?' [string "@Interface/AddOns/Ace3/CallbackHandler-1.0-7/CallbackHandler-1.0.lua"]:114: in function <...Ons/Ace3/CallbackHandler-1.0/CallbackHandler-1.0.lua:114> [string "=[C]"]: ? [string "@Interface/AddOns/Ace3/CallbackHandler-1.0-7/CallbackHandler-1.0.lua"]:24: in function <...Ons/Ace3/CallbackHandler-1.0/CallbackHandler-1.0.lua:20> [string "@Interface/AddOns/Ace3/CallbackHandler-1.0-7/CallbackHandler-1.0.lua"]:59: in function Fire'
[string "@Interface/AddOns/Ace3/AceEvent-3.0-4/AceEvent-3.0.lua"]:120: in function <Interface/AddOns/Ace3/AceEvent-3.0/AceEvent-3.0.lua:119>

Skillet-5.00-alpha15 should fix this issue.

Skillet-5.00-alpha16 is a better fix (i.e. doesn't break something else)