The grade says N/A when I know that assignments have been completed for that class.The assignments are not showing up and no grades are there.
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I don't know if you are a student or not, but sounds like the columns in the Gradebook have been muted (classic Gradebook) or their posting policy has been set to Manual (New Gradebook). I would recommend contacting your instructor for more information regarding course specific questions like the one above.
Retrieving data ...