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 ('a3e89530a2481029ee17355cb0a08d50','0','3.144.34.85','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715979759','profile.php?userid=7025&sid=a6cea0827663c9bc57de70c84398f9a9','0','0','')
mysql error: Duplicate entry 'a3e89530a2481029ee17355cb0a08d50' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 17.05.2024 @ 23:02
Script: /profile.php?userid=7025&sid=a6cea0827663c9bc57de70c84398f9a9
Referer: