SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('c87b57f6092532b66ed585324703de7c','0','13.59.177.14','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715861322','thread.php?threadid=225&sid=ab54ff84260a88c23143086a1a212713','0','0','')
mysql error: Duplicate entry 'c87b57f6092532b66ed585324703de7c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 16.05.2024 @ 14:08
Script: /Forum/thread.php?threadid=225&sid=ab54ff84260a88c23143086a1a212713
Referer: