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`='f9ea8873f6470a03ba3a42f6c4620ac1',`time`=1711697723,`ip`=X'03570b5d',`location`='/showthread.php?tid=6715&action=lastpost',`useragent`='claudebot',`location1`=5,`location2`=6715,`nopermission`=0