SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('d13d5195efa02bd260f2f208f3e21351','0','18.217.52.224','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1746598123','jgs_galerie_userbilder.php?bildid=131','0','0','')
mysql error: Duplicate entry 'd13d5195efa02bd260f2f208f3e21351' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41
php version: 5.3.1
Date: 07.05.2025 @ 08:08
Script: /plauscherl/jgs_galerie_userbilder.php?bildid=131
Referer: