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`='d400b912d2b0c19876a48b6f476af980',`time`='1711621436',`ip`='54.205.238.173',`location`='/showthread.php?tid=131427',`useragent`='claudebot',`location1`='29',`location2`='131427',`nopermission`='0'