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`='b8e7807211c0ba8613cb1444a178dc3d',`time`=1711711043,`ip`=X'2cde5c86',`location`='/newreply.php?tid=385&replyto=2783',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0