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 ('6a1ca77773e8e2bbd48c7605a6e8b32c','0','18.226.4.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715172634','misc.php?action=faq&sid=11acd0fb7cb3ca4f4cbdd222c8aff4d4','0','0','')
mysql error: Duplicate entry '6a1ca77773e8e2bbd48c7605a6e8b32c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 14:50
Script: /misc.php?action=faq&sid=11acd0fb7cb3ca4f4cbdd222c8aff4d4
Referer: