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 ('0bb1f4e97401e5d2173ebbbe3a29cec2','0','3.146.105.137','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715388083','search.php?sid=da7108118afb70086557ef2c534469d8','0','0','')
mysql error: Duplicate entry '0bb1f4e97401e5d2173ebbbe3a29cec2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 02:41
Script: /search.php?sid=da7108118afb70086557ef2c534469d8
Referer: http://wehrbauten.de/search.php?sid=da7108118afb70086557ef2c534469d8