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 ('f8029d420e1f9822752a89cf4f8ec1ce','0','3.145.93.221','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714610251','board.php?boardid=690&sid=d13786e282853a7963d580112aa9f026','0','0','')
mysql error: Duplicate entry 'f8029d420e1f9822752a89cf4f8ec1ce' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 02:37
Script: /board.php?boardid=690&sid=d13786e282853a7963d580112aa9f026
Referer: http://wehrbauten.de/board.php?boardid=690&sid=d13786e282853a7963d580112aa9f026