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`='4f4b09ce25a21e2dba7fd165f71a54fc',`time`='1505911601',`ip`='54.198.247.44',`location`='/forum/member.php?action=profile&uid=252505',`useragent`='CCBot/2.0 (http://commoncrawl.org/faq/)',`location1`='0',`location2`='0',`nopermission`='0'