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 ('2c5bf7e104675e4fe6af90b0560c5710','0','216.73.216.8','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751212012','editpost.php?postid=12909','0','0','')
mysql error: Duplicate entry '2c5bf7e104675e4fe6af90b0560c5710' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 29.06.2025 @ 17:46
Script: /editpost.php?postid=12909
Referer: