SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('3a79e1ef620005bbbda34858d24cab66','0','3.15.25.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715038875','jgs_portal_box.php?id=21&sid=f7a4547b42228dee7d535587f30b2cc5','0','0','')
mysql error: Duplicate entry '3a79e1ef620005bbbda34858d24cab66' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 01:41
Script: /jgs_portal_box.php?id=21&sid=f7a4547b42228dee7d535587f30b2cc5
Referer: http://wehrbauten.de/jgs_portal_box.php?id=21&sid=f7a4547b42228dee7d535587f30b2cc5