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 ('8cc206d873e691c57851ffc3e7d412b3','0','3.15.4.244','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714408505','print.php?threadid=8080&page=1&sid=b122d0c0887b3c0ad0bd00ce66b7e9c0','0','0','')
mysql error: Duplicate entry '8cc206d873e691c57851ffc3e7d412b3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.04.2024 @ 18:35
Script: /print.php?threadid=8080&page=1&sid=b122d0c0887b3c0ad0bd00ce66b7e9c0
Referer: