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 ('a337efa8f256e68122591996368f3d5d','0','18.117.186.92','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714552765','profile.php?userid=81&sid=db7bcb4ec6900695209938c77a4a024c','0','0','')
mysql error: Duplicate entry 'a337efa8f256e68122591996368f3d5d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 01.05.2024 @ 10:39
Script: /profile.php?userid=81&sid=db7bcb4ec6900695209938c77a4a024c
Referer: