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`='b9f80b4b1052018f0565bfb7e681303c',`time`=1711710472,`ip`=X'03ec8afd',`location`='/member.php?action=emailuser&uid=10',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0