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`='1abc6f7738fac2f2b74dae345ebff60d',`time`=1711663138,`ip`=X'36a3c86d',`location`='/calendar.php?action=dayview&calendar=1&year=2020&month=8&day=1',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0