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 ('77cea2e19a184c50200e8aa26d0ba0a5','0','216.73.216.8','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750999217','thread.php?page=1&threadid=1393','0','0','')
mysql error: Duplicate entry '77cea2e19a184c50200e8aa26d0ba0a5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 27.06.2025 @ 06:40
Script: /thread.php?page=1&threadid=1393
Referer: