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`='73477ff77c6fba8904ecdc010da36251',`time`=1711630415,`ip`=X'2ccc41bd',`location`='/showthread.php?tid=283&pid=1754',`useragent`='claudebot',`location1`=8,`location2`=283,`nopermission`=0