Disk Quota problem ???

Hi,

I have linux server with WHM/Cpanel and i m getting following error many times in this month so please give me why this happened ? what is the reason for it ? and howto solve this issue.

Error :-- The system failed to return from fetching quota and disk infomation.This function cannot be used until quotas are repaired.

Thank you.

 

HI,

When i run the following commands ---->

quotacheck -augvm
/scripts/fixquotas

I got this message "quotacheck: Scanning /dev/sda2 [/] quotacheck: Old group file not found. Usage will not be substracted." i have also check for backup file in under /home/cprestore but i did'nt get so please do needful and guide me how to prevent this serious issue because i m getting this 2-3 times in a week..

Thanks in advance..