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`='d6a1870197dee7626d6996c43b1368f0',`time`=1711648274,`ip`=X'36c41b7a',`location`='/showthread.php?tid=354&page=2',`useragent`='claudebot',`location1`=6,`location2`=354,`nopermission`=0