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`='35081b96b90656e6ea716c63ac9504dd',`time`=1711663499,`ip`=X'2cd550cb',`location`='/showthread.php?tid=402',`useragent`='claudebot',`location1`=6,`location2`=402,`nopermission`=0