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 ('515f231b078cc5da9f80979211bca94e','0','127.0.0.1','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714353453','memberslist.php?letter=&sortby=userposts&order=ASC&sid=4f6243da5fdf11688a6ff1f2688a07bd','0','0','')
mysql error: Duplicate entry '515f231b078cc5da9f80979211bca94e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-0ubuntu0.18.04.1
php version: 7.2.34-36+ubuntu18.04.1+deb.sury.org+1
Date: 29.04.2024 @ 03:17
Script: /forum/memberslist.php?letter=&sortby=userposts&order=ASC&sid=4f6243da5fdf11688a6ff1f2688a07bd
Referer: http://www.ichat.de/forum/memberslist.php?letter=&sortby=userposts&order=ASC&sid=4f6243da5fdf11688a6ff1f2688a07bd