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`='c9d5c2a4c39fb6a522a28b798a674aa7',`time`=1711710728,`ip`=X'12e87dbc',`location`='/calendar.php?action=dayview&calendar=1&year=2021&month=9&day=1',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0