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`='2a1ae426da4fff9bde3acff64bb2a6b6',`time`=1711687918,`ip`=X'345bb15b',`location`='/showthread.php?tid=254',`useragent`='claudebot',`location1`=8,`location2`=254,`nopermission`=0