MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='baf4beef407f4d4271c277a589e5f457',`time`=1711706398,`ip`=X'36c469eb',`location`='/newreply.php?tid=630&replyto=6113',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0