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 ('a4ac059b167c08f6a7fbf4096dc7114d','0','18.188.96.25','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745063396','report.php?postid=34703','0','0','')
mysql error: Duplicate entry 'a4ac059b167c08f6a7fbf4096dc7114d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 13:49
Script: /report.php?postid=34703
Referer: http://gttempel.de/report.php?postid=34703