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 ('9364a25428854d9aac480bc560da9ddf','0','18.118.131.25','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715535082','board.php?boardid=41&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=cc6ee42f7ad74c2df5c90330c009179c','0','0','')
mysql error: Duplicate entry '9364a25428854d9aac480bc560da9ddf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 19:31
Script: /board.php?boardid=41&page=1&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=cc6ee42f7ad74c2df5c90330c009179c
Referer: