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 ('b2af34cebc1ac64ed135c4835d3f57c3','0','18.191.208.181','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716344126','addreply.php?action=quote&postid=53774&sid=b5f64ef01d929054c03bcf764bb721e7','0','0','')
mysql error: Duplicate entry 'b2af34cebc1ac64ed135c4835d3f57c3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 04:15
Script: /addreply.php?action=quote&postid=53774&sid=b5f64ef01d929054c03bcf764bb721e7
Referer: