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 ('434f61f5d8b43854dcef74213b0d2575','0','3.23.127.197','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714909741','usercp.php?action=addsubscription&threadid=1406&sid=f306f96cef220da984093a4b0ff85c18','0','0','')
mysql error: Duplicate entry '434f61f5d8b43854dcef74213b0d2575' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 13:49
Script: /usercp.php?action=addsubscription&threadid=1406&sid=f306f96cef220da984093a4b0ff85c18
Referer: