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 ('48ebfed2df2f7b783dbf0360eb0ef158','0','3.144.33.41','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714246863','attachment.php?attachmentid=10014&sid=3e76b49509a73940511ae8bbfecec85a','0','0','')
mysql error: Duplicate entry '48ebfed2df2f7b783dbf0360eb0ef158' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 27.04.2024 @ 21:41
Script: /attachment.php?attachmentid=10014&sid=3e76b49509a73940511ae8bbfecec85a
Referer: