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 ('9cf222a5b94a2df20a8af4664587d23c','0','3.22.68.49','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715419572','board.php?boardid=47&sid=a7191a7e0483ad6f7ab67937f16d4b01','0','0','')
mysql error: Duplicate entry '9cf222a5b94a2df20a8af4664587d23c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 11:26
Script: /board.php?boardid=47&sid=a7191a7e0483ad6f7ab67937f16d4b01
Referer: