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 ('4bf38f64473cc12b2d0a8cd387ff02a9','0','18.118.120.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715065157','jgs_portal.php?sid=e9da1a0f2ab4b53a869a60349107d350','0','0','')
mysql error: Duplicate entry '4bf38f64473cc12b2d0a8cd387ff02a9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 07.05.2024 @ 08:59
Script: /jgs_portal.php?sid=e9da1a0f2ab4b53a869a60349107d350
Referer: