SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('ab96e384c0fdbde3c939d53ca7746b9e','0','3.137.148.243','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715900061','addreply.php?postid=32566','0','0','')
mysql error: Duplicate entry 'ab96e384c0fdbde3c939d53ca7746b9e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.05.2024 @ 00:54
Script: /addreply.php?postid=32566
Referer: