Model disappears when orbiting beyond origin on red axis

I know this is a topic often discussed however the solutions provided to similar problems didn’t help much. The object is close to origin. However when I rotate beyond the plane created by the green and blue axis (when the camera (theoretically) goes beyond that plane) the object disappears). I’m using the Architecture millimeter template. I used to use Sketchup back in 2007-2008 to an extent, but if you can help, please assume that I know little about the program. Thank you very much for your help.
PS you can find a small clip of what’s happening attached to this post.

Can you share the .skp file?

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Try switching to Perspective camera and zooming to extents.

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OK, I couldn’t see any reason in the other solutions why an imported dwg file might do this, but apparently deleting the dwg file resolves the problem. Thank you all for your help.

Thank you for your help. I have tried both but apparently deleting the imported dwg file was the solution. Again thank you for your help.

Probably because the .dwg file covers a very large area.

The dwg drawing was only a plan view of a staircase but the imported drawing (or section of the drawing) might have been bigger than it looked (the whole dwg file only had the staircase and nothing else in it). However, thank you for your help.