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 ('48b42a68d8294cb29af8c017dbeb2d15','0','3.19.79.79','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715846668','jgs_galerie.php?sid=9d3c9bb07743f1aec2f6a164f4352508','0','0','')
mysql error: Duplicate entry '48b42a68d8294cb29af8c017dbeb2d15' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 10:04
Script: /jgs_galerie.php?sid=9d3c9bb07743f1aec2f6a164f4352508
Referer: http://wehrbauten.de/jgs_galerie.php?sid=9d3c9bb07743f1aec2f6a164f4352508