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`='6e5d37d7669a1f1a207ebdd0ca9ea80a',`time`=1711701240,`ip`=X'035e6228',`location`='/showthread.php?tid=405&pid=2803',`useragent`='claudebot',`location1`=8,`location2`=405,`nopermission`=0