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`='bc1387be79e5f6d600195817102b79cc',`time`=1711661002,`ip`=X'03ee3e77',`location`='/showthread.php?tid=562',`useragent`='claudebot',`location1`=19,`location2`=562,`nopermission`=0