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 ('e5e98c9e248b4f2d3aae5bb7c1f85a94','0','3.145.54.7','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715536872','thread.php?goto=lastpost&threadid=961&sid=ef6fde5455d007b237537f0d427892fd','0','0','')
mysql error: Duplicate entry 'e5e98c9e248b4f2d3aae5bb7c1f85a94' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 20:01
Script: /thread.php?goto=lastpost&threadid=961&sid=ef6fde5455d007b237537f0d427892fd
Referer: