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 ('c3c22021d677f1e7317f8e1330565ac4','0','3.15.193.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715878841','board.php?boardid=115&sid=6756ae78f6d6c77da6b9355eb002acfa','0','0','')
mysql error: Duplicate entry 'c3c22021d677f1e7317f8e1330565ac4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 19:00
Script: /board.php?boardid=115&sid=6756ae78f6d6c77da6b9355eb002acfa
Referer: