SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('5807c956076e79c9a5dcb09c85503d00','0','18.118.126.11','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716518720','board.php?boardid=17&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=7aac5990ca786a871be6291432eba6fc','0','0','')
mysql error: Duplicate entry '5807c956076e79c9a5dcb09c85503d00' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 24.05.2024 @ 04:45
Script: /board.php?boardid=17&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=7aac5990ca786a871be6291432eba6fc
Referer: