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`='eea1ab08a97fc744d736636d69034600',`time`=1711689824,`ip`=X'03e693e1',`location`='/showthread.php?tid=621',`useragent`='claudebot',`location1`=29,`location2`=621,`nopermission`=0