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`='25bc365c3679d7c7b1f6a94348c4dea2',`time`=1711715053,`ip`=X'12e8233e',`location`='/member.php?action=profile&uid=23',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0