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`='9c6777fa7aa9c8f2585fc1f74c0c5cc3',`time`=1711721335,`ip`=X'36f2a5ff',`location`='/showthread.php?tid=238&pid=1507',`useragent`='claudebot',`location1`=9,`location2`=238,`nopermission`=0