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 ('6d5f157cd227768f052f9690596d9974','0','3.14.248.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1718626983','jgs_portal_links.php?id=12b5f97e8d8fbb8215e38b8eb48b9fbf','0','0','')
mysql error: Duplicate entry '6d5f157cd227768f052f9690596d9974' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.73-1
php version: 5.3.3-7+squeeze19
Date: 17.06.2024 @ 14:23
Script: /waller/jgs_portal_links.php?id=12b5f97e8d8fbb8215e38b8eb48b9fbf
Referer: