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`='6a8dcfc3f012b4ede12d1201b73fa421',`time`='1500567586',`ip`='54.81.210.42',`location`='/forum/member.php?action=profile&uid=281367',`useragent`='CCBot/2.0 (http://commoncrawl.org/faq/)',`location1`='0',`location2`='0',`nopermission`='0'