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 ('da65297aac93db6fecfa6474d8b0cd7a','0','172.71.120.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1764291036','report.php?postid=79481','0','0','')
mysql error: Duplicate entry 'da65297aac93db6fecfa6474d8b0cd7a' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 27.11.2025 @ 19:50
Script: /wbb2/report.php?postid=79481
Referer: