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 ('90424f805623594f0539eca4b9786249','0','18.118.171.20','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715074175','thread.php?goto=lastpost&threadid=2307&sid=a68afa10e36f6e58d2d5dda6539ebf0f','0','0','')
mysql error: Duplicate entry '90424f805623594f0539eca4b9786249' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 11:29
Script: /thread.php?goto=lastpost&threadid=2307&sid=a68afa10e36f6e58d2d5dda6539ebf0f
Referer: