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`='8fd611c28679fc8b586774eeea52abd3',`time`=1711707375,`ip`=X'2cdef21b',`location`='/ratethread.php?tid=261&rating=3&my_post_key=d45a656fef7d23bb5f2fe2fabb44f3e8',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0