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`='d3fce35b43ea55e1054baf2437081b9a',`time`=1711620973,`ip`=X'12e85811',`location`='/showthread.php?tid=19210',`useragent`='claudebot',`location1`=6,`location2`=19210,`nopermission`=0