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 ('62cfef3545e4566919503f1ccfdc49cd','0','18.217.144.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714991709','usercp.php?action=buddy&add=206&sid=b8e5c3cba22c0798fc964e193eb1560d','0','0','')
mysql error: Duplicate entry '62cfef3545e4566919503f1ccfdc49cd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 12:35
Script: /usercp.php?action=buddy&add=206&sid=b8e5c3cba22c0798fc964e193eb1560d
Referer: http://wehrbauten.de/usercp.php?action=buddy&add=206&sid=b8e5c3cba22c0798fc964e193eb1560d