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 ('e3d3dac3eb04eb7ca9160eeb665458c6','0','3.145.65.134','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715458142','board.php?boardid=220&sid=90bcce513bd9c374ab19712ea076ef21','0','0','')
mysql error: Duplicate entry 'e3d3dac3eb04eb7ca9160eeb665458c6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 22:09
Script: /board.php?boardid=220&sid=90bcce513bd9c374ab19712ea076ef21
Referer: http://wehrbauten.de/board.php?boardid=220&sid=90bcce513bd9c374ab19712ea076ef21