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 ('031b8ab28ceaf8a3512f9d3c18dc5872','0','3.138.33.87','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715125613','profile.php?userid=156&sid=84a9b82ad38ff16b0490fe9600dbadc4','0','0','')
mysql error: Duplicate entry '031b8ab28ceaf8a3512f9d3c18dc5872' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 01:46
Script: /profile.php?userid=156&sid=84a9b82ad38ff16b0490fe9600dbadc4
Referer: