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 ('3b8b889d2ee2c53162322289ab293585','0','216.73.216.103','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751479329','formmail.php?threadid=284','0','0','')
mysql error: Duplicate entry '3b8b889d2ee2c53162322289ab293585' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 02.07.2025 @ 20:02
Script: /formmail.php?threadid=284
Referer: