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 ('87a389d6d96a993965d7e0536b5b68d1','0','216.73.216.34','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749026698','editpost.php?postid=30426','0','0','')
mysql error: Duplicate entry '87a389d6d96a993965d7e0536b5b68d1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 04.06.2025 @ 10:44
Script: /editpost.php?postid=30426
Referer: