Stormsong World Quest - Zygor Error

Video of Issue
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https://youtu.be/ooId7t3RM4o

Screenshot of Issue
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https://i.imgur.com/mo4PqIq.jpg

Lua Error
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Message: Interface\AddOns\ZygorGuidesViewer\Goal.lua:3236: attempt to compare number with nil
Time: Sat May 23 06:52:40 2020
Count: 2
Stack: Interface\AddOns\ZygorGuidesViewer\Goal.lua:3236: attempt to compare number with nil
[string "=[C]"]: ?
[string "@Interface\AddOns\ZygorGuidesViewer\Goal.lua"]:3236: in function `Prepare'
[string "@Interface\AddOns\ZygorGuidesViewer\Goal.lua"]:2185: in function `GetStatus'
[string "@Interface\AddOns\ZygorGuidesViewer\Goal.lua"]:2200: in function `UpdateStatus'
[string "@Interface\AddOns\ZygorGuidesViewer\Step.lua"]:40: in function `IsComplete'
[string "@Interface\AddOns\ZygorGuidesViewer\Guide.lua"]:244: in function `GetCompletion'
[string "@Interface\AddOns\ZygorGuidesViewer\Skins\Default\ViewerFrame.lua"]:459: in function `Update'
[string "@Interface\AddOns\ZygorGuidesViewer\ZygorGuidesViewer.lua"]:1283: in function `SetGuide'
[string "@Interface\AddOns\ZygorGuidesViewer\WorldQuests.lua"]:274: in function <Interface\AddOns\ZygorGuidesViewer\WorldQuests.lua:271>
[string "@Interface\AddOns\ZygorGuidesViewer\NotificationCenter.lua"]:236: in function <...face\AddOns\ZygorGuidesViewer\NotificationCenter.lua:232>

Locals: