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 ('0de11268eb120e88caa49dc6fea3367b','0','18.188.249.30','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715803246','profile.php?userid=9269&sid=2afe4d270ba700ff4e75842742f38a18','0','0','')
mysql error: Duplicate entry '0de11268eb120e88caa49dc6fea3367b' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 15.05.2024 @ 16:00
Script: /danielamos/wbb2/profile.php?userid=9269&sid=2afe4d270ba700ff4e75842742f38a18
Referer: