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`='69037a939bcc75283603e973246919f4',`time`=1711698671,`ip`=X'2cc8ae9d',`location`='/showthread.php?tid=242&action=newpost',`useragent`='claudebot',`location1`=9,`location2`=242,`nopermission`=0