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 ('0b6e6ccea42be15c93dd6e1674a0c280','0','216.73.216.242','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751225702','ct_mail.php?Page=808615775','0','0','')
mysql error: Duplicate entry '0b6e6ccea42be15c93dd6e1674a0c280' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.06.2025 @ 21:35
Script: /ct_mail.php?Page=808615775
Referer: