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 ('0d12f224a755920f6a32761c97c8dd0b','0','18.222.117.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715326903','thread.php?goto=lastpost&threadid=2500&sid=77f3aff474841454b1be051e91699482','0','0','')
mysql error: Duplicate entry '0d12f224a755920f6a32761c97c8dd0b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 09:41
Script: /thread.php?goto=lastpost&threadid=2500&sid=77f3aff474841454b1be051e91699482
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2500&sid=77f3aff474841454b1be051e91699482