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 ('ff1e519d63e9f4d2087d25f9da9087a3','0','3.141.199.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715905965','thread.php?goto=lastpost&threadid=2503&sid=fc668af75554b7e90f54b920d0e66935','0','0','')
mysql error: Duplicate entry 'ff1e519d63e9f4d2087d25f9da9087a3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 02:32
Script: /thread.php?goto=lastpost&threadid=2503&sid=fc668af75554b7e90f54b920d0e66935
Referer: