SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('7b5abbfce3ef39ec2d981801be218301','0','216.73.216.235','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749461172','addreply.php?postid=15822','0','0','')
mysql error: Duplicate entry '7b5abbfce3ef39ec2d981801be218301' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 09.06.2025 @ 11:26
Script: /addreply.php?postid=15822
Referer: