MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '0' for key 'location1'
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='77dae171ff5c56ed3989e19d562d56c4',`time`='1505891944',`ip`='54.224.158.232',`location`='/forum/member.php?action=profile&uid=284472',`useragent`='CCBot/2.0 (http://commoncrawl.org/faq/)',`location1`='0',`location2`='0',`nopermission`='0'