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`='53b5e0618385a4b5b8e6a820ba9268b6',`time`=1711674811,`ip`=X'12d56ea2',`location`='/showthread.php?tid=241&page=2',`useragent`='claudebot',`location1`=9,`location2`=241,`nopermission`=0