SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8dc2ad3db14a4c4f4d4da5b159197f70','0','3.145.119.199','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713907283','register.php?sid=382b4ac09846b1931fd2dd53b3d86de0','0','0','')
mysql error: Duplicate entry '8dc2ad3db14a4c4f4d4da5b159197f70' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 23.04.2024 @ 23:21
Script: /register.php?sid=382b4ac09846b1931fd2dd53b3d86de0
Referer: http://your-wbb.de/register.php?sid=382b4ac09846b1931fd2dd53b3d86de0