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`='f16b7254c3de028780cc6250f3352409',`time`=1711691381,`ip`=X'2cdc2baa',`location`='/search.php?action=finduser&uid=22',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0