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`='b9203b44f43249f775ca72d9c0d13506',`time`=1711645134,`ip`=X'03ebfb63',`location`='/newreply.php?tid=397&replyto=2260',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0