SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8288a3e18fa1d2cddf4d1f0c6a1c77eb','0','3.129.211.87','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715049004','thread.php?goto=nextoldest&threadid=2463','0','0','')
mysql error: Duplicate entry '8288a3e18fa1d2cddf4d1f0c6a1c77eb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 07.05.2024 @ 04:30
Script: /thread.php?goto=nextoldest&threadid=2463
Referer: