SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8c0bb28018e35dedc4dec43a7513bc6e','0','216.73.216.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749382410','report.php?postid=26478','0','0','')
mysql error: Duplicate entry '8c0bb28018e35dedc4dec43a7513bc6e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 08.06.2025 @ 13:33
Script: /report.php?postid=26478
Referer: