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`='c63657028241a05bbed2c6831e743806',`time`=1711690784,`ip`=X'23aa36ab',`location`='/showthread.php?tid=242&pid=482',`useragent`='claudebot',`location1`=9,`location2`=242,`nopermission`=0