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`='908b231aa6e3e954ef300f39a3910a8e',`time`=1711625458,`ip`=X'34cfda5f',`location`='/showthread.php?mode=threaded&tid=52&pid=78',`useragent`='claudebot',`location1`=6,`location2`=52,`nopermission`=0