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 ('1e33687fde61958ee75cc82508f8d2e5','0','3.135.183.221','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715572822','thread.php?goto=lastpost&threadid=2271&sid=403b75dff03f4f2087bf1043db91111d','0','0','')
mysql error: Duplicate entry '1e33687fde61958ee75cc82508f8d2e5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 06:00
Script: /thread.php?goto=lastpost&threadid=2271&sid=403b75dff03f4f2087bf1043db91111d
Referer: