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`='682e77217661e398038ce4e0cd0440b4',`time`=1711709873,`ip`=X'2cdc2994',`location`='/showthread.php?tid=243',`useragent`='claudebot',`location1`=8,`location2`=243,`nopermission`=0