WowAce

I get this error ~300 times when using the /guildroster version of the roster.  I open the roster and scroll, then bugsack goes nuts.  :-)

90x Alts/InterfaceMods.lua:250: attempt to call global 'IsEnabled' (a nil value)
[string "@Alts/InterfaceMods.lua"]:250: in function <Alts/InterfaceMods.lua:249>
[string "=[C]"]: ?
[string "=[C]"]: ?

Locals:
self = GuildRosterContainerButton7 {
0 = <userdata>
guildIndex = 7
stripe = GuildRosterContainerButton7Stripe {
}
barTexture = GuildRosterContainerButton7BarTexture {
}
header = GuildRosterContainerButton7HeaderButton {
}
online = false
barLabel = GuildRosterContainerButton7BarLabel {
}
string1 = GuildRosterContainerButton7String1 {
}
string4 = GuildRosterContainerButton7String4 {
}
string2 = GuildRosterContainerButton7String2 {
}
icon = GuildRosterContainerButton7Icon {
}
string3 = GuildRosterContainerButton7String3 {
}
}
(*temporary) = nil
(*temporary) = "attempt to call global 'IsEnabled' (a nil value)"