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 ('85db1807297a2d9e688d3f9e514fab52','0','216.73.216.12','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748194196','addreply.php?threadid=1849','0','0','')
mysql error: Duplicate entry '85db1807297a2d9e688d3f9e514fab52' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 25.05.2025 @ 19:29
Script: /addreply.php?threadid=1849
Referer: