Anonymous assignment submissions not displaying

  As instructor create a new assignment Add a title and instructions Check box to "Hide submitters' identities (e.g. for anonymous grading)" Check box to "Grade this assignment" then select "Points" for "Grade Scale" and enter 25 "Max Points" Login as student and add some text in "Assignment Text" and "Proceed" to submit the assignment As instructor click "Grade" under the assignment title in Assignments Locate the entry that has a submitted date and click on the corresponding link in the "Student" column The details of the submitted assignment are not shown (page is blank)