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 ('eae22621200c4bda0505c4ce540eee95','0','18.191.5.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714328860','thread.php?threadid=5531&threadview=1&hilight=&hilightuser=0&sid=1b556f74e2761fbb0ec50de97835664d','0','0','')
mysql error: Duplicate entry 'eae22621200c4bda0505c4ce540eee95' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 28.04.2024 @ 20:27
Script: /thread.php?threadid=5531&threadview=1&hilight=&hilightuser=0&sid=1b556f74e2761fbb0ec50de97835664d
Referer: