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`='3c86d13bdad6d320b7c1104df062b1c1',`time`=1711653272,`ip`=X'2cc89172',`location`='/showthread.php?tid=261&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=261,`nopermission`=0