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 ('5c107a3036cd276e7ede94b79af90e0d','0','18.216.230.107','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715129331','addreply.php?postid=11739&sid=6e56778154fe54e6e4f84e083c52abe2','0','0','')
mysql error: Duplicate entry '5c107a3036cd276e7ede94b79af90e0d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 02:48
Script: /addreply.php?postid=11739&sid=6e56778154fe54e6e4f84e083c52abe2
Referer: http://wehrbauten.de/addreply.php?postid=11739&sid=6e56778154fe54e6e4f84e083c52abe2