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 ('a268ed2a6e8831936eb1ecf3ac27866c','0','216.73.216.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1755346781','report.php?postid=3793','0','0','')
mysql error: Duplicate entry 'a268ed2a6e8831936eb1ecf3ac27866c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.08.2025 @ 14:19
Script: /report.php?postid=3793
Referer: