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`='9676e596048372200e66066289d0f5c8',`time`=1711667627,`ip`=X'22cbf2c8',`location`='/showthread.php?tid=274&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=274,`nopermission`=0