Solved

Viewer/unity error

Viewer loads to 100% then throws an error.

UnityLoader.js:1 exception thrown: RangeError: Maximum call stack size exceeded,RangeError: Maximum call stack size exceeded
at y6p (blob:https://igpmanager.com/8548a198-a81a-4c2c-8d94-171fb988d2ba:19:633569)
at y6p (blob:https://igpmanager.com/8548a198-a81a-4c2c-8d94-171fb988d2ba:19:633906)
at y6p (blob:https://igpmanager.com/8548a198-a81a-4c2c-8d94-171fb988d2ba:19:633906)
at y6p (blob:https://igpmanager.com/8548a198-a81a-4c2c-8d94-171fb988d2ba:19:633906)

Opera v48 Win 7 64bit

Did you try clearing your cache by any chance?

On a scale of 1 to 10 how stupid do I feel...

Cleared cache and now working thanks

Yay! :D