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`='619e99571a795c167e32c550f7068ccf',`time`=1711653289,`ip`=X'03ed4166',`location`='/showthread.php?tid=296&pid=536',`useragent`='claudebot',`location1`=8,`location2`=296,`nopermission`=0