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`='9ec6a2f90792fb357e076bffc6127591',`time`=1711702544,`ip`=X'12cf62f9',`location`='/showthread.php?mode=threaded&tid=21&pid=25',`useragent`='claudebot',`location1`=7,`location2`=21,`nopermission`=0