Your actual error is something much more tangible (you can find it by viewing the page source):
Code:
Invalid SQL:
SELECT title, data
FROM datastore
WHERE title IN ('','options','bitfields','forumcache','usergroupcache','stylecache','languagecache','products','pluginlist','cron','userstats','birthdaycache','maxloggedin','iconcache','eventcache','mailqueue');
MySQL Error : Got error 127 from table handler
Error Number : 1030
Date : Saturday, April 14th 2007 @ 07:17:07 PM
Script : http://couponchix.com/feedback/
Referrer : https://vborg.vbsupport.ru/showthread.php?t=144898
IP Address : 207.167.100.99
Username :
Classname : vb_database
Error 127s are no fun but generally they can be fixed. Run Repair/Optimize in the Admin CP, repeat a few times if necessary.
If things remain broken, ssh into your server and run the CHECK and REPAIR commands in mysql.
If you're still stuck let me know and I can explain about dealing with serious corruption.