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`='9ffd62aaeca4adedaa2510bb4aba7f5f',`time`=1711721219,`ip`=X'2cc93b14',`location`='/newreply.php?tid=285&replyto=901',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0