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`='6b92310b2d800f1d35af6c176efc3c22',`time`=1711713937,`ip`=X'36aca24e',`location`='/showthread.php?mode=threaded&tid=296&pid=2161',`useragent`='claudebot',`location1`=8,`location2`=296,`nopermission`=0