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`='ccebb1e740044b06e611d0cf7077aa88',`time`=1711615639,`ip`=X'03e792ac',`location`='/showthread.php?tid=593',`useragent`='claudebot',`location1`=6,`location2`=593,`nopermission`=0