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 ('6bb095071ce4357e42b16a54e62c60ec','0','18.189.185.251','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716115926','misc.php?action=faq&sid=9951678a4fee9a5c23406f16b779ea1a','0','0','')
mysql error: Duplicate entry '6bb095071ce4357e42b16a54e62c60ec' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 19.05.2024 @ 12:52
Script: /board/misc.php?action=faq&sid=9951678a4fee9a5c23406f16b779ea1a
Referer: