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 ('23ada9b914e1dd924dd9ba363d9719b3','0','3.144.151.106','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715326757','thread.php?threadid=1193&sid=3d4ab3460e6ace8c62c9d65dafa73793','0','0','')
mysql error: Duplicate entry '23ada9b914e1dd924dd9ba363d9719b3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 09:39
Script: /thread.php?threadid=1193&sid=3d4ab3460e6ace8c62c9d65dafa73793
Referer: http://wehrbauten.de/thread.php?threadid=1193&sid=3d4ab3460e6ace8c62c9d65dafa73793