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`='7115a26b93618db3113498a431a09dec',`time`=1711623834,`ip`=X'12eaa56b',`location`='/printthread.php?tid=272',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0