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 ('0c5b5234ce522d0bf160fbbfac1a1ab4','0','3.129.63.114','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715652950','profile.php?userid=118&sid=a9f206b00fb9f056d46caec9689936cf','0','0','')
mysql error: Duplicate entry '0c5b5234ce522d0bf160fbbfac1a1ab4' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.5.62-0+deb8u1
php version: 5.6.40-0+deb8u12
Date: 14.05.2024 @ 04:15
Script: /board/profile.php?userid=118&sid=a9f206b00fb9f056d46caec9689936cf
Referer: