SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('e563308bd3f00ae85d2a2d10171e4d00','0','18.223.0.53','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714031832','addreply.php?postid=1023&sid=60413fb0d68be1f336c868481ac8dd79','0','0','')
mysql error: Duplicate entry 'e563308bd3f00ae85d2a2d10171e4d00' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 25.04.2024 @ 03:57
Script: /wbb2/addreply.php?postid=1023&sid=60413fb0d68be1f336c868481ac8dd79
Referer: