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 ('f37d7346e35d9227fc7066708d394267','0','3.147.85.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715828607','calendar.php?sid=dfbe94e2f842fabe63574e85c1a40ffb','0','0','')
mysql error: Duplicate entry 'f37d7346e35d9227fc7066708d394267' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 05:03
Script: /calendar.php?sid=dfbe94e2f842fabe63574e85c1a40ffb
Referer: