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 ('db968933f762f78eb75a9a1edd9aeb93','0','3.16.148.128','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715837018','profile.php?userid=206&sid=a5302736b9fe123e34ac691295000aa0','0','0','')
mysql error: Duplicate entry 'db968933f762f78eb75a9a1edd9aeb93' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 07:23
Script: /profile.php?userid=206&sid=a5302736b9fe123e34ac691295000aa0
Referer: http://wehrbauten.de/profile.php?userid=206&sid=a5302736b9fe123e34ac691295000aa0