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 ('2fdcedbc2375e5a1e281636c1cfbbac6','0','3.137.218.1','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715925605','jgs_galerie.php?sid=123222bd61c78738aa8ffcb945da372b','0','0','')
mysql error: Duplicate entry '2fdcedbc2375e5a1e281636c1cfbbac6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 08:00
Script: /jgs_galerie.php?sid=123222bd61c78738aa8ffcb945da372b
Referer: