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 ('07763cbec92cd1b634cf8e80728a5514','0','3.16.148.128','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715900045','board.php?boardid=163&sid=20d7969adf4327e14f8ee224ab5daaf2','0','0','')
mysql error: Duplicate entry '07763cbec92cd1b634cf8e80728a5514' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 00:54
Script: /board.php?boardid=163&sid=20d7969adf4327e14f8ee224ab5daaf2
Referer: http://wehrbauten.de/board.php?boardid=163&sid=20d7969adf4327e14f8ee224ab5daaf2