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`='f555e2c9a1ad3b4952f5dd303c12308a',`time`=1711628234,`ip`=X'2cc918ab',`location`='/showthread.php?tid=25',`useragent`='claudebot',`location1`=20,`location2`=25,`nopermission`=0