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 ('ccc6b3049a3ba14a164c11c78320d56d','0','18.222.158.1','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715818563','misc.php?action=imprint&sid=a0807646808252629ace325d66a21549','0','0','')
mysql error: Duplicate entry 'ccc6b3049a3ba14a164c11c78320d56d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 02:16
Script: /misc.php?action=imprint&sid=a0807646808252629ace325d66a21549
Referer: