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`='bb2533dbde970790ffbd2cc40b8dc27c',`time`=1711694341,`ip`=X'36c69aea',`location`='/showthread.php?mode=linear&tid=606&pid=6089',`useragent`='claudebot',`location1`=6,`location2`=606,`nopermission`=0