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 ('60310477be48bde0408c24303a3cf806','0','3.140.186.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714783135','jgs_portal.php?sid=564ece8ea56289489a363510479d1896','0','0','')
mysql error: Duplicate entry '60310477be48bde0408c24303a3cf806' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 02:38
Script: /jgs_portal.php?sid=564ece8ea56289489a363510479d1896
Referer: http://wehrbauten.de/jgs_portal.php?sid=564ece8ea56289489a363510479d1896