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 ('e8288d0c38f8ce02d2396f6e2a34a87c','0','18.221.145.27','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715835187','usercp.php?action=buddy&add=227&sid=d037757855e86b1e0b583300d3189236','0','0','')
mysql error: Duplicate entry 'e8288d0c38f8ce02d2396f6e2a34a87c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 06:53
Script: /usercp.php?action=buddy&add=227&sid=d037757855e86b1e0b583300d3189236
Referer: http://wehrbauten.de/usercp.php?action=buddy&add=227&sid=d037757855e86b1e0b583300d3189236