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`='4d5e9dd4a36d88c30885beae3338ad5c',`time`=1711637529,`ip`=X'365711b1',`location`='/showthread.php?tid=397&pid=2501',`useragent`='claudebot',`location1`=17,`location2`=397,`nopermission`=0