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`='59654acba7de96f6e35f0b41f5705df0',`time`=1711667704,`ip`=X'2cc84d3b',`location`='/showthread.php?tid=442&action=lastpost',`useragent`='claudebot',`location1`=17,`location2`=442,`nopermission`=0