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 ('cec5121bc6362e9ad3d559ae738d352e','0','3.15.185.34','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716029029','profile.php?userid=275&sid=3feb8cbc7f67f8b6bb527497593e3f02','0','0','')
mysql error: Duplicate entry 'cec5121bc6362e9ad3d559ae738d352e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-1:10.5.23+maria~ubu2004-log
php version: 7.0.33-nmm9
Date: 18.05.2024 @ 12:43
Script: /wbb2/profile.php?userid=275&sid=3feb8cbc7f67f8b6bb527497593e3f02
Referer: