Admin Forum:Few errors

The database is currently locked.

Our main datacenter is down, you are accessing our backup datacenter. We are working to fix the problem

and


 * A database query syntax error has occurred. This may indicate a bug in the software. The last attempted database query was:

(SQL query hidden) from within function " SMWSqlStore2IdCache::getId ". Database returned error " 1054: Unknown column 'smw_subobject' in 'where clause' (10.8.46.47) ".

And

Though I am a rollback user, I get permission error.

You do not have permission to quickly rollback the edits of the last user who edited a particular page, for the following reason: There seems to be a problem with your login session; this action has been canceled as a precaution againstsession hijacking. Go back to the previous page, reload that page and then try again.

And last one is

If you report this error to the Wikia System Administrators, please include the details below. PHP fatal error in /usr/wikia/slot2/code/extensions/Negref/Negref.php line 49: Call to a member function getArray on a non-object — ¤ U LTIMATE S UPREME ¤ (T@lk) 11:15, June 29, 2012 (UTC)
 * Please use Special:Contact/bug in this case. It provides Staff with more info and ensures that they get your message. 11:44, June 29, 2012 (UTC)
 * But they are not recieving my emails. — ¤ U LTIMATE S UPREME ¤ (T@lk) 11:51, June 29, 2012 (UTC)
 * You have an email address specified in your preferences, right? If yes, try sending a direct email to community@wikia.com instead of using the contact form. 12:04, June 29, 2012 (UTC)
 * Back to normal. — ¤ U LTIMATE S UPREME ¤ (T@lk) 13:00, June 29, 2012 (UTC)