MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1114 - The table 'mybb_sessions' is full
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='450e967e1ff7d6dc573eb35f1317eb29',`time`='1711624371',`ip`='54.144.233.198',`location`='/forumdisplay.php?fid=25&page=978',`useragent`='claudebot',`location1`='25',`location2`='0',`nopermission`='0'