Objects disappear in outliner when looking at model imported from Blender

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Hello,

I experience a strange bug with my character model I imported from Blender, seen in this image. Everything disappears (becomes transparent) when the viewport is looking at my character model. You can see the yellow cube also came from Blender but had no effect on the other objects.

I have tried to recalculate the outside normals in Blender for the object as well as remove double vertices.

I am using a MacBook pro 10.14.6 Mojave (2012 version)

I feel this might be a bug but hopefully…

I have made a horribly obvious mistake?

Thank you!

-T