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 ('bf0d59ef644f63cfdc189fe69e6e46bd','0','216.73.216.251','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750427150','report.php?postid=1810','0','0','')
mysql error: Duplicate entry 'bf0d59ef644f63cfdc189fe69e6e46bd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 20.06.2025 @ 15:45
Script: /report.php?postid=1810
Referer: