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`='0b25603d2b8e745d26ded861269889b7',`time`=1711622944,`ip`=X'2cc5725c',`location`='/showthread.php?tid=233&action=lastpost',`useragent`='claudebot',`location1`=9,`location2`=233,`nopermission`=0