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`='958c381c3a603dd1311cd5a8cfbfd442',`time`=1711697092,`ip`=X'035c019c',`location`='/newreply.php?tid=305&replyto=921',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0