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 ('85d65baf4faf2a6ccb88b8b289aba1a6','0','3.137.171.121','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715091662','usercp.php?action=buddy&add=442&sid=bcac944eee4985c743891f6318f43656','0','0','')
mysql error: Duplicate entry '85d65baf4faf2a6ccb88b8b289aba1a6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.36-39-log
php version: 5.6.40-65+0~20230409.73+debian10~1.gbp473a1b
Date: 07.05.2024 @ 14:21
Script: /usercp.php?action=buddy&add=442&sid=bcac944eee4985c743891f6318f43656
Referer: