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`='9f60af609bda6fa5ec4b2ceb33127218',`time`=1711665904,`ip`=X'2cde6831',`location`='/showthread.php?tid=132',`useragent`='claudebot',`location1`=0,`location2`=132,`nopermission`=0