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`='c7f4330840b5ba7f4d15c5c5076b6224',`time`=1711623304,`ip`=X'23afac5e',`location`='/showthread.php?mode=linear&tid=42&pid=59',`useragent`='claudebot',`location1`=7,`location2`=42,`nopermission`=0