Has my board been hacked into?

[محروم.كوم]

Today I got an email titled vBulletin Database Error

"
and the text is below. Does it look as though someone has hacked into my board and has done something with my SQL?


============================
Database error in vBulletin 3.7.3:

Invalid SQL:
SHOW COLUMNS FROM vbuser LIKE 'username';

MySQL Error : Got error 28 from storage engine
Error Number : 1030
Request Date : Friday, April 17th 2009 @ 0526 AM
Error Date : Friday, April 17th 2009 @ 0526 AM

Script :***********
Referrer : **********
IP Address : 91.124.39.166
Username : XenuAntiSpd
Classname : vB_Database
MySQL Version : __DEFINE_LIKE_SHARE__