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 ('f23e0bcf86547c15c1b331488d636f5c','0','3.15.27.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745169285','print.php?page=1&threadid=1036','0','0','')
mysql error: Duplicate entry 'f23e0bcf86547c15c1b331488d636f5c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 20.04.2025 @ 19:14
Script: /print.php?page=1&threadid=1036
Referer: http://gttempel.de/print.php?page=1&threadid=1036