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`='a5f27d903f6acee4d8c3ad15ec9f829e',`time`=1711619644,`ip`=X'035abb0b',`location`='/showthread.php?tid=265&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=265,`nopermission`=0