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 ('8432c1b81949bd4b1b40f2eacd606ba4','0','216.73.216.52','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748147702','ct_mail.php?Page=294432141','0','0','')
mysql error: Duplicate entry '8432c1b81949bd4b1b40f2eacd606ba4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 25.05.2025 @ 06:35
Script: /ct_mail.php?Page=294432141
Referer: