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 ('127db0a1e14f6884d2f055778792df9c','0','3.12.155.100','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714914530','jgs_galerie.php?sid=e49467ba658e19b5af246474eebe58a7','0','0','')
mysql error: Duplicate entry '127db0a1e14f6884d2f055778792df9c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 15:08
Script: /jgs_galerie.php?sid=e49467ba658e19b5af246474eebe58a7
Referer: http://wehrbauten.de/jgs_galerie.php?sid=e49467ba658e19b5af246474eebe58a7