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`='702273db95f97d15823c1a49965fab62',`time`=1711698774,`ip`=X'0355e0d6',`location`='/showthread.php?tid=593&action=lastpost',`useragent`='claudebot',`location1`=6,`location2`=593,`nopermission`=0