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`='4a80df4b50eac2509bd1d5b82c8046e1',`time`=1711667518,`ip`=X'12d56ea2',`location`='/showthread.php?tid=72&pid=277',`useragent`='claudebot',`location1`=29,`location2`=72,`nopermission`=0