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 ('9281d00196737059f435aae24f5cc004','0','3.16.42.49','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715689695','thread.php?goto=lastpost&threadid=2204&sid=51394bf43d8f3c16beb7165b430c5a57','0','0','')
mysql error: Duplicate entry '9281d00196737059f435aae24f5cc004' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 14:28
Script: /thread.php?goto=lastpost&threadid=2204&sid=51394bf43d8f3c16beb7165b430c5a57
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2204&sid=51394bf43d8f3c16beb7165b430c5a57