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`='75f16652d9d3cfdd4d97848c3a6ac885',`time`='1508541420',`ip`='54.81.210.99',`location`='/forum/member.php?action=profile&uid=252652',`useragent`='CCBot/2.0 (http://commoncrawl.org/faq/)',`location1`='0',`location2`='0',`nopermission`='0'