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`='f0f3d72cc22d746ebb333e88edd5beb5',`time`=1711655822,`ip`=X'03e3ef09',`location`='/newreply.php?tid=261&replyto=2126',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0