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`='4d0193c4da74c650deb5fe03e2c7bdfe',`time`=1711663766,`ip`=X'03ec13fb',`location`='/showthread.php?tid=398&pid=2261',`useragent`='claudebot',`location1`=9,`location2`=398,`nopermission`=0