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`='6a23955c605652aed9aaddaced51150e',`time`=1711638603,`ip`=X'03eea1a5',`location`='/showthread.php?tid=239&pid=1406',`useragent`='claudebot',`location1`=9,`location2`=239,`nopermission`=0