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`='6106ee0446f942413dca9f9238bad0f0',`time`=1711721464,`ip`=X'36a68d34',`location`='/showthread.php?mode=threaded&tid=301&pid=2707',`useragent`='claudebot',`location1`=8,`location2`=301,`nopermission`=0