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 ('59697ecd7aa4f8c9d376e7a5fc658de3','0','3.20.221.178','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715648920','usercp.php?action=addsubscription&boardid=509&sid=30dc057e5ffbb93559e2a93df2761435','0','0','')
mysql error: Duplicate entry '59697ecd7aa4f8c9d376e7a5fc658de3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 03:08
Script: /usercp.php?action=addsubscription&boardid=509&sid=30dc057e5ffbb93559e2a93df2761435
Referer: