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`='7a78e69cf210878959b5ca7ee3e5d56e',`time`='1711632500',`ip`='52.91.84.219',`location`='/showthread.php?tid=62930&action=lastpost',`useragent`='claudebot',`location1`='2',`location2`='62930',`nopermission`='0'