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 ('2f5d13c9ba21a54126048e0b4aff7e96','0','3.129.71.13','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734857935','attachment.php?attachmentid=10521','0','0','')
mysql error: Duplicate entry '2f5d13c9ba21a54126048e0b4aff7e96' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 09:58
Script: /attachment.php?attachmentid=10521
Referer: http://gttempel.de/attachment.php?attachmentid=10521