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`='f86c754f1ccde0efc613335c03e5e11f',`time`='1711728068',`ip`='34.237.140.238',`location`='/calendar.php?action=addevent&calendar=1&day=14&month=3&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'