SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.5): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('884f98774bffa6c8ee21de23d73eee5e','0','18.119.118.99','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714329146','profile.php?userid=71760&sid=8c9b5f942e4fa91b6368c2b29ac49bf7','0','0','')
mysql error: Duplicate entry '884f98774bffa6c8ee21de23d73eee5e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42
php version: 5.2.17
Date: 28.04.2024 @ 20:32
Script: /wbb2/profile.php?userid=71760&sid=8c9b5f942e4fa91b6368c2b29ac49bf7
Referer: