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 ('4a706ac0ad81d8b27ace5b72390c9198','0','3.147.65.65','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714816326','search.php?action=user&userid=1&sid=96ed5405b8d4271db7e5d13d4bef8b27','0','0','')
mysql error: Duplicate entry '4a706ac0ad81d8b27ace5b72390c9198' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 11:52
Script: /search.php?action=user&userid=1&sid=96ed5405b8d4271db7e5d13d4bef8b27
Referer: