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`='70aa62420ad05c1d86f18da004550bdd',`time`=1711679578,`ip`=X'23ade9b0',`location`='/newreply.php?tid=233&replyto=4951',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0