SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('50ea3a8b5a04bcdb09c96506610ef11b','0','18.226.180.161','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716375850','profile.php?userid=14108&sid=67ed4e87a74d9573226aacf0efab3f13','0','0','')
mysql error: Duplicate entry '50ea3a8b5a04bcdb09c96506610ef11b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 22.05.2024 @ 13:04
Script: /profile.php?userid=14108&sid=67ed4e87a74d9573226aacf0efab3f13
Referer: http://www.karpfen-spezial.de/profile.php?userid=14108&sid=67ed4e87a74d9573226aacf0efab3f13