LUA Error Encountered: Warlords of Draenor

As of game version 11.1.0.60257, when initiating a mission from the Garrison Command Table, the following LUA error is encountered, regardless of 3rd party addons being installed/enabled.

Message: Interface/AddOns/Blizzard_SharedXML/HelpTip.lua:382: attempt to index local ‘info’ (a nil value)
Time: Tue Apr 22 03:49:59 2025
Count: 1
Stack:
[Interface/AddOns/Blizzard_SharedXML/HelpTip.lua]:382: in function <Interface/AddOns/Blizzard_SharedXML/HelpTip.lua:371>
[C]: in function ‘Show’
[Interface/AddOns/Blizzard_GarrisonTemplates/Blizzard_GarrisonMissionTemplates.lua]:657: in function ‘CloseMission’
[Interface/AddOns/Blizzard_GarrisonTemplates/Blizzard_GarrisonMissionTemplates.lua]:681: in function ‘OnClickStartMissionButton’
[Interface/AddOns/Blizzard_GarrisonUI/Mainline/Blizzard_GarrisonMissionUI.lua]:325: in function ‘OnClickStartMissionButton’
[Interface/AddOns/Blizzard_GarrisonTemplates/Blizzard_GarrisonMissionTemplates.lua]:2400: in function <…risonTemplates/Blizzard_GarrisonMissionTemplates.lua:2398>

Locals:
self = Frame {
BG = TopBg {
}
ShadowTop = TopShadowTop {
}
width = 226
ShadowTopLeft = TopShadowTopLeft {
}
closed = false
GlowTopLeft = TopGlowTopLeft {
}
GlowBottomRight = TopGlowBottomRight {
}
GlowBottomLeft = TopGlowBottomLeft {
}
GlowBottom = TopGlowBottom {
}
acknowledged = false
CloseButton = Button {
}
Arrow = Frame {
}
OkayButton = Button {
}
Text = FontString {
}
ShadowRight = TopShadowRight {
}
ShadowLeft = TopShadowLeft {
}
ShadowBottom = TopShadowBottom {
}
GlowRight = TopGlowRight {
}
ShadowBottomRight = TopShadowBottomRight {
}
ShadowBottomLeft = TopShadowBottomLeft {
}
ShadowTopRight = TopShadowTopRight {
}
GlowTopRight = TopGlowTopRight {
}
GlowLeft = TopGlowLeft {
}
GlowTop = TopGlowTop {
}
}
info = nil
relativeRegion = nil
(*temporary) = false
(*temporary) = true
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = “attempt to index local ‘info’ (a nil value)”