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`='dddaa2d21185ea8c1ad570f7e9cf9b09',`time`=1711655928,`ip`=X'035b131c',`location`='/showthread.php?tid=375',`useragent`='claudebot',`location1`=7,`location2`=375,`nopermission`=0