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 ('d77b07c46a45754d87a9d82f713fcd55','0','216.73.216.230','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748148513','addreply.php?postid=31553','0','0','')
mysql error: Duplicate entry 'd77b07c46a45754d87a9d82f713fcd55' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 25.05.2025 @ 06:48
Script: /addreply.php?postid=31553
Referer: