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 ('45f8d0d2f00f6f12b2328fb3b28cc811','0','3.145.110.176','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716227774','usercp.php?action=buddy&add=8014&sid=f1ed6a69b70313e39e76c4b44fb3cc15','0','0','')
mysql error: Duplicate entry '45f8d0d2f00f6f12b2328fb3b28cc811' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 19:56
Script: /usercp.php?action=buddy&add=8014&sid=f1ed6a69b70313e39e76c4b44fb3cc15
Referer: