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`='16b844a0210f510ec14453409fd258e2',`time`=1711701902,`ip`=X'2cc8bf92',`location`='/showthread.php?tid=272&page=2',`useragent`='claudebot',`location1`=8,`location2`=272,`nopermission`=0