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`='f33ffdb8401b74be3a8ae606736ed7ad',`time`=1711694516,`ip`=X'36d255cd',`location`='/showthread.php?tid=330&pid=1977',`useragent`='claudebot',`location1`=8,`location2`=330,`nopermission`=0