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 ('d34d5e602806b0eb7fcc45a36431ae68','0','3.145.145.48','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716396436','profile.php?userid=28&sid=36d795770095944a0a4c1352a97a60f1','0','0','')
mysql error: Duplicate entry 'd34d5e602806b0eb7fcc45a36431ae68' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 18:47
Script: /profile.php?userid=28&sid=36d795770095944a0a4c1352a97a60f1
Referer: