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 ('cb0c097503ed5245f33d0f08204c58c5','0','3.142.35.75','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715380854','thread.php?threadid=523&sid=3250907b9436904efa95b565ff4ce0cc','0','0','')
mysql error: Duplicate entry 'cb0c097503ed5245f33d0f08204c58c5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 00:40
Script: /thread.php?threadid=523&sid=3250907b9436904efa95b565ff4ce0cc
Referer: