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 ('d0f067bedefc37f8ca84b682a9e681fc','0','18.188.255.116','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715326982','profile.php?userid=1&sid=6793ca4774447c3a582a65dc76b957de','0','0','')
mysql error: Duplicate entry 'd0f067bedefc37f8ca84b682a9e681fc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 10.05.2024 @ 09:43
Script: /profile.php?userid=1&sid=6793ca4774447c3a582a65dc76b957de
Referer: