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`='e8402ffc4dfc5bec5cdb16d94f5c9014',`time`=1711658572,`ip`=X'23afd405',`location`='/showthread.php?tid=261&pid=1644',`useragent`='claudebot',`location1`=8,`location2`=261,`nopermission`=0