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 ('ad6d735c5a3676630606b2373758234d','0','3.128.199.162','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714033782','profile.php?userid=304&sid=0a64b169787d36836da285a4dd11153a','0','0','')
mysql error: Duplicate entry 'ad6d735c5a3676630606b2373758234d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 10:29
Script: /profile.php?userid=304&sid=0a64b169787d36836da285a4dd11153a
Referer: