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 ('e0c51ee77b88a34c9b1223dea0709337','0','216.73.216.151','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749193480','thread.php?hilightuser=0&threadid=768&threadview=1','0','0','')
mysql error: Duplicate entry 'e0c51ee77b88a34c9b1223dea0709337' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 06.06.2025 @ 09:04
Script: /thread.php?hilightuser=0&threadid=768&threadview=1
Referer: