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 ('c31cda9e0af3c16c4b3c0be614ceb9bf','0','216.73.216.158','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749725150','report.php?postid=35671','0','0','')
mysql error: Duplicate entry 'c31cda9e0af3c16c4b3c0be614ceb9bf' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 12.06.2025 @ 12:45
Script: /report.php?postid=35671
Referer: