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 ('cee209c4a47aedf4cee3f5a88a4bed1e','0','18.217.194.39','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714979621','search.php?action=user&userid=94&sid=d4c08b1e72a291c51aa4bcb52aa55752','0','0','')
mysql error: Duplicate entry 'cee209c4a47aedf4cee3f5a88a4bed1e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 09:13
Script: /search.php?action=user&userid=94&sid=d4c08b1e72a291c51aa4bcb52aa55752
Referer: