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`='2ffd2cdbae77517f239d1d637ebe688e',`time`=1711640779,`ip`=X'36add64f',`location`='/showthread.php?mode=threaded&tid=13&pid=14',`useragent`='claudebot',`location1`=12,`location2`=13,`nopermission`=0