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 ('97e72764dcda0e7f5c4a42fe98673fa3','0','3.141.244.153','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714691634','board.php?boardid=119&sid=bb354db95bdcbdbc7e3066ca993afb19','0','0','')
mysql error: Duplicate entry '97e72764dcda0e7f5c4a42fe98673fa3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 01:13
Script: /board.php?boardid=119&sid=bb354db95bdcbdbc7e3066ca993afb19
Referer: http://wehrbauten.de/board.php?boardid=119&sid=bb354db95bdcbdbc7e3066ca993afb19