MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1142 - INSERT command denied to user 'discusnature'@'10.24.20.3' for table 'mybb_sessions'
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='5148b0fd95a1d59a0bc851aab822e697',`time`='1582743789',`ip`='18.206.194.161',`location`='/forum/showthread.php?tid=2040',`useragent`='CCBot/2.0 (https://commoncrawl.org/faq/)',`location1`='2',`location2`='2040',`nopermission`='0'