Problem in grade book

Hi,

I've just upgraded to the latest version and when I add data to a new column I am losing data I've previously added. It tends to be the row above or below in the the same column especially if I jump rows to add data. Help please!

Hello Fletch,
You should send us a quick backup at support@idoceo.net
Let us know a class you are having trouble with and we'll give it a look