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 ('cd2d3a848a1d9deaf9116f77d260bde8','0','18.118.30.253','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715218804','jgs_portal.php?sid=ab017a69bb1c60264835a20bf36b5d8f','0','0','')
mysql error: Duplicate entry 'cd2d3a848a1d9deaf9116f77d260bde8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 03:40
Script: /jgs_portal.php?sid=ab017a69bb1c60264835a20bf36b5d8f
Referer: