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 ('9723b4152d27c2fe4a47ea408978feda','0','18.216.230.107','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715123854','profile.php?userid=8&sid=041785693bac9164356a4879ce9348db','0','0','')
mysql error: Duplicate entry '9723b4152d27c2fe4a47ea408978feda' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 01:17
Script: /profile.php?userid=8&sid=041785693bac9164356a4879ce9348db
Referer: