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`='7fa01627a478b3e0eb4409f571af15ba',`time`=1711671611,`ip`=X'035d3bab',`location`='/showthread.php?tid=251&page=2',`useragent`='claudebot',`location1`=8,`location2`=251,`nopermission`=0