You have a quotes settings on your filesystems.
Use command quota for research this question.
Quotes may be soft and hard, and your message tell you what hard quote is limit exceeded on all filesystems
You are probably getting large numbers of alerts sent to /var/adm/messages
A stop/start of the auditd process may well be required:
Check it's down / then restart it:
Make sure you're not getting the messages anymore.
Check free space on root file system.
clear down your messages files if required e.g.
HTH,