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 ('265f00cb6bc9afa3b148149b072b1390','0','18.116.41.133','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716110699','memberslist.php?letter=H&sortby=username&sid=51f039f25bd0ca275b183a1632497c7f','0','0','')
mysql error: Duplicate entry '265f00cb6bc9afa3b148149b072b1390' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.25
php version: 5.4.45
Date: 19.05.2024 @ 11:24
Script: /memberslist.php?letter=H&sortby=username&sid=51f039f25bd0ca275b183a1632497c7f
Referer: