Overview
In some cases quota calculation could be incorrect due to some OS utility.
Solution
In order to fix this please execute the following commands
repquota -v -a
quotacheck -ugm /
/sbin/quotacheck --create-files --user --group --verbose --force --use-first-dquot --no-remount --format=vfsv0 /dev/sda1
NOTE: This is just an example(/dev/sda1), Find your system format by executing this command
df -h /
After executing above commands, execute the cronh and reapply plan commands.
/usr/local/emps/bin/php /usr/local/webuzo/cronh.php debug=4
webuzo --reapply_plan --all