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 ('1b0d0e1864349e2b42dd51744f138dab','0','13.59.61.119','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714719612','register.php?sid=07ae408a214a90e674fb1358ac056dd8','0','0','')
mysql error: Duplicate entry '1b0d0e1864349e2b42dd51744f138dab' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 09:00
Script: /register.php?sid=07ae408a214a90e674fb1358ac056dd8
Referer: