WowAce

I tried closing the menu via the close button and got the following error

65x ...roker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0-1.lua:2939: attempt to compare number with nil
[string "@Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0-1.lua"]:2939: in function `Close'
[string "@Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0-1.lua"]:581: in function <...roker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:574>

Locals:
self = <table> {
 Close = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2915
 AddSeparator = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2951
 OnTooltipHide = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:3233
 KEY_BUTTON2 = "Right Mouse"
 fontsize = 24
 error = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:3403
 argCheck = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:3376
 hookedTooltip = true
 IsOpen = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2696
 GetOpenedParent = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2701
 SetFontSize = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:1245
 IsRegistered = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2861
 Refresh = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:1850
 Open = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2866
 FeedAceOptionsTable = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:1249
 FeedTable = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:1750
 SmartAnchorTo = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2685
 onceRegistered = <table> {
 }
 registry = <table> {
 }
 AddLine = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2964
 frame = <unnamed> {
 }
 EncodeKeybinding = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2617
 KEY_BUTTON1 = "Left Mouse"
}
level = 3
(*temporary) = nil
(*temporary) = <function> defined =[C]:-1
(*temporary) = <table> {
 1 = LibDewdrop30Button29 {
 }
 2 = LibDewdrop30Button30 {
 }
 3 = LibDewdrop30Button31 {
 }
 4 = LibDewdrop30Button32 {
 }
 5 = LibDewdrop30Button33 {
 }
}
(*temporary) = 5
(*temporary) = nil
(*temporary) = nil
(*temporary) = 5
(*temporary) = 6
(*temporary) = nil
(*temporary) = "attempt to compare number with nil"
levels = <table> {
 1 = LibDewdrop30Level1 {
 }
 2 = LibDewdrop30Level2 {
 }
}
sliderFrame = nil
editBoxFrame = <unnamed> {
 0 = <userdata>
}
Clear = <function> defined @Broker_Portals\libs\LibDewdrop-3.0\LibDewdrop-3.0.lua:2905