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 ('1df19786af1082d6d4ba05294c53e901','0','13.58.252.8','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714964202','thread.php?threadid=1952&threadview=0&hilight=&hilightuser=0&sid=6b2e8217a91511c6fdc80e45f012dd67','0','0','')
mysql error: Duplicate entry '1df19786af1082d6d4ba05294c53e901' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 04:56
Script: /thread.php?threadid=1952&threadview=0&hilight=&hilightuser=0&sid=6b2e8217a91511c6fdc80e45f012dd67
Referer: