Courses not loading in Firefox or Chrome

Once the dashboard loads, and you click a course, a blank white page appears. This is occurring for me as well as at least 3 students so far. This occurs in Firefox v52.0.1 and Chrome v56.0.2924.87. Internet Explorer v11.0.40 is behaving normally at this time.

The URL for the blank white page I see is as follows:
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