This seems to be an ongoing issue that has not been resolved.
As you can see from the following pics when I send a file to print, the page on the GFUI gets stuck on the screen on the first screenshot. I then get out of the stuck screen by using my back option on my browser, get back into the page and then go to the dashboard with a blank screen (2nd screenshot). I then hit view all files option and the 3rd screenshot is what is displayed in the browser. Then I can click the create button and then upload the file again and it works.
Other funny things happen as well, but that says the gist of the issue.