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`='aeb7bb96a424e0f1ea9746c43110eeea',`time`=1711721532,`ip`=X'6b179cc7',`location`='/showthread.php?tid=305',`useragent`='claudebot',`location1`=8,`location2`=305,`nopermission`=0