SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('00483f3f51d1dc6e3d8de379362faf4c','0','216.73.216.124','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748081004','addreply.php?postid=25787','0','0','')
mysql error: Duplicate entry '00483f3f51d1dc6e3d8de379362faf4c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 24.05.2025 @ 12:03
Script: /addreply.php?postid=25787
Referer: