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 ('808eba3218c66c2b1c271e38b3d62c10','0','216.73.216.134','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749341716','thread.php?postid=37488','0','0','')
mysql error: Duplicate entry '808eba3218c66c2b1c271e38b3d62c10' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 08.06.2025 @ 02:15
Script: /thread.php?postid=37488
Referer: