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`='88ffd969fd146d1581349f01de8c3d6d',`time`='1505911729',`ip`='54.198.247.44',`location`='/forum/member.php?action=profile&uid=259457',`useragent`='CCBot/2.0 (http://commoncrawl.org/faq/)',`location1`='0',`location2`='0',`nopermission`='0'