MapCanvas_ScrollContainerMixin Error

[robbiekuschel]

Describe the bug
This happened when I went through a portal that was created by an NPC in Voidstorm that took me to Eredath (Legion). The quest was Truth of the Past

Additional context

1x ...lizzard_MapCanvas/MapCanvas_ScrollContainerMixin.lua:465: bad argument #1 to 'ipairs' (table expected, got nil)
[Blizzard_MapCanvas/MapCanvas_ScrollContainerMixin.lua]:465: in function 'GetZoomLevelIndexForScale'
[Blizzard_MapCanvas/MapCanvas_ScrollContainerMixin.lua]:477: in function 'GetCurrentLayerIndex'
[Blizzard_SharedMapDataProviders/MapExplorationDataProvider.lua]:111: in function 'RefreshOverlays'
[AbstractUI/Modules/Tweaks.lua]:354: in function 'RevealMap'
[AbstractUI/Modules/Tweaks.lua]:323: in function <AbstractUI/Modules/Tweaks.lua:321>

Locals:
self = ScrollFrame {
shouldPanOnClick = false
normalizedPanXLerpAmount = 0.150000
Child = Frame {
}
normalizedZoomLerpAmount = 0.150000
shouldZoomInstantly = true
shouldZoomInOnClick = false
normalizedPanYLerpAmount = 0.150000
scalingMode = "SCALING_MODE_TRANSLATE_FASTER_THAN_SCALE"
mouseWheelZoomMode = 2
zoomAmountPerMouseWheelDelta = 0.075000
targetScrollY = 0.500000
mouseButtonInfo =

{
}
shouldNavigateOnClick = true
targetScrollX = 0.500000
}
scale = 1
bestIndex = 1