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 ('e06ee0aa560088b1ef4481c342d6e8af','0','3.140.190.147','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715854558','board.php?boardid=576&sid=0334056e7e086ad210d5acbc80d0bce5','0','0','')
mysql error: Duplicate entry 'e06ee0aa560088b1ef4481c342d6e8af' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 12:15
Script: /board.php?boardid=576&sid=0334056e7e086ad210d5acbc80d0bce5
Referer: