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`='d127cfbf3fb3ae582d02ddbad70f90b6',`time`=1711623768,`ip`=X'36a3c86d',`location`='/showthread.php?tid=383',`useragent`='claudebot',`location1`=19,`location2`=383,`nopermission`=0