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 ('7b896501943ee3319ca761e1e0e40b58','0','3.137.170.14','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715768536','thread.php?goto=lastpost&threadid=2472&sid=344603b39e67047cb86f950a9fb9426e','0','0','')
mysql error: Duplicate entry '7b896501943ee3319ca761e1e0e40b58' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 12:22
Script: /thread.php?goto=lastpost&threadid=2472&sid=344603b39e67047cb86f950a9fb9426e
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2472&sid=344603b39e67047cb86f950a9fb9426e