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`='81ca2c31dc65b72d02f6964d87f73a2f',`time`=1711617922,`ip`=X'12e9dfbd',`location`='/ratethread.php?tid=476&rating=4&my_post_key=4ca3c9febd1ddbd83b455778f72178a4',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0