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 ('6a7cf8229e7025fe7f4d4f308b76aece','0','216.73.216.187','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748752776','report.php?postid=19703','0','0','')
mysql error: Duplicate entry '6a7cf8229e7025fe7f4d4f308b76aece' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 01.06.2025 @ 06:39
Script: /report.php?postid=19703
Referer: