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`='0852e9a8f4b339be30af1d256db3e6f9',`time`=1711657406,`ip`=X'2cde74c7',`location`='/showthread.php?tid=333&pid=1990',`useragent`='claudebot',`location1`=8,`location2`=333,`nopermission`=0