1x ...ved_LFG_Invite_Dialog\Improved_LFG_Invite_Dialog.lua:17: attempt to concatenate local 'leaderName' (a nil value)
...ved_LFG_Invite_Dialog\Improved_LFG_Invite_Dialog.lua:17: in function <...ved_LFG_Invite_Dialog\Improved_LFG_Invite_Dialog.lua:12>
[C]: in function LFGListInviteDialog_Show' FrameXML\LFGList.lua:2443: in function LFGListInviteDialog_CheckPending'
FrameXML\LFGList.lua:2406: in function <FrameXML\LFGList.lua:2392>

Locals:
self = LFGListInviteDialog {
RoleIcon = {
}
AcknowledgeButton = {
}
template = "Transparent"
Label = {
}
AcceptButton = {
}
ActivityName = {
}
GroupName = {
}
DeclineButton = {
}
Role = {
}
resultID = 2
informational = false
0 =
OfflineNotice = {
}
RoleDescription = {
}
}
resultID = 2
id = 2
activityID = 469
name = "Everyone to the Front"
comment = "Doing the world quest [Everyone to the Front]."
voiceChat = ""
iLvl = 0
honorLevel = 0
age = 4
numBNetFriends = 0
numCharFriends = 0
numGuildMates = 0
isDelisted = false
leaderName = nil
numMembers = 1
isAutoAccept = true
(*temporary) = defined =[C]:-1
(*temporary) = {
0 =
}
(*temporary) = "Everyone to the Front"
(*temporary) = "
"
(*temporary) = nil
(*temporary) = "
1 members"
(*temporary) = "1"
(*temporary) = " members"
(*temporary) = "attempt to concatenate local 'leaderName' (a nil value)"
orginalFunction = defined @FrameXML\LFGList.lua:2449

Improved_LFG_Invite_Dialog.zip

They changed the way C_LFGList.GetSearchResultInfo returns values to a table. I've attached a file that fixes that.