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 ('2e7c6f3be0052f09208d4295fb4ef1c0','0','18.190.153.63','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715568658','thread.php?goto=lastpost&threadid=2303&sid=f35e4ca394ef13a182c89e9103a1ba65','0','0','')
mysql error: Duplicate entry '2e7c6f3be0052f09208d4295fb4ef1c0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 04:50
Script: /thread.php?goto=lastpost&threadid=2303&sid=f35e4ca394ef13a182c89e9103a1ba65
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2303&sid=f35e4ca394ef13a182c89e9103a1ba65