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`='c244ab753fcf6d51e9b71d2e2f935e8b',`time`='1508541477',`ip`='54.81.210.99',`location`='/forum/member.php?action=profile&uid=244899',`useragent`='CCBot/2.0 (http://commoncrawl.org/faq/)',`location1`='0',`location2`='0',`nopermission`='0'