Sample of issue described:
This could be caused by slow Internet, or something went wrong with loading the document page into the viewer.
Do the following:
- Check your Internet connection.
- Click on the same thumbnail again and see if the page loads, if not;
- Click on a different thumbnail and see if that page loads correctly, if so, click on the original thumbnail again.
- Press CTRL+F5 simultaneously to reload the screen. Click on the thumbnail or follow Step 2 again.
In this case, after toggling between the thumbnails, the page loaded successfully:
If your page does not load and the problem persists, please contact Support