Can't open files from Google Drive in Mobile Viewer

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I started playing with the Mobile Viewer for iPad yesterday after reading it was now able to open my models directly from Google Drive.

I opened Google Drive and was able to select Sketchup Mobile Viewer as an option to view my .skp files. It worked as well as I'd hoped, navigating around my model.

Later I did an update to Google Drive and I'm no longer able to select Mobile Viewer as an option.

I removed and reinstalled both Google Drive and Sketchup Mobile Viewer, but that didn't solve it.

I am able to email myself the .skp file from Google Drive on my iPad, then follow the link to download the file, and am able to open and view in Viewer.

I assume I have something minor configured incorrectly, but I haven't been able to find it.

Any ideas?

Thank you in advance
Tim

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