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`='cac8740f3f78b17c375b566a1b806a77',`time`=1711716164,`ip`=X'23acdf82',`location`='/showthread.php?tid=259&pid=499',`useragent`='claudebot',`location1`=8,`location2`=259,`nopermission`=0