SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('f9402f77890e8bcdb6f901043190cdb1','0','18.221.174.248','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713573334','thread.php?goto=lastpost&threadid=69637&sid=22d1c63902821d300a4979ff84b1708d','0','0','')
mysql error: Duplicate entry 'f9402f77890e8bcdb6f901043190cdb1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 20.04.2024 @ 02:35
Script: /thread.php?goto=lastpost&threadid=69637&sid=22d1c63902821d300a4979ff84b1708d
Referer: