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 ('70bb24039a63d8411a97b7eb6ecfac78','0','3.16.148.128','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715745907','board.php?boardid=454&sid=42fbf1cd7778e05cae8c3eab80a08314','0','0','')
mysql error: Duplicate entry '70bb24039a63d8411a97b7eb6ecfac78' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 06:05
Script: /board.php?boardid=454&sid=42fbf1cd7778e05cae8c3eab80a08314
Referer: