Yes, the problem is that Excel (also OpenOffice Calc) changes format of a cell to number automatically. If you export and then import, no problem. But if you try to add more rows with usernames or schoolyears like 2011 then they are interpreted as numbers. But that's Bug #362014.
Yes, the problem is that Excel (also OpenOffice Calc) changes format of a cell to number automatically. If you export and then import, no problem. But if you try to add more rows with usernames or schoolyears like 2011 then they are interpreted as numbers. But that's Bug #362014.
This bug is about a crash.