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 ('79f90ccdab56e40f1a90e2de33d63a83','0','18.218.196.182','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714507323','profile.php?userid=17&sid=73b599bea4621a9824ebef1fcfefee17','0','0','')
mysql error: Duplicate entry '79f90ccdab56e40f1a90e2de33d63a83' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 30.04.2024 @ 22:02
Script: /profile.php?userid=17&sid=73b599bea4621a9824ebef1fcfefee17
Referer: