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 ('dd4a4b26b4dbee0ff9fb8ae49fbbfbdd','0','18.220.126.5','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714963804','report.php?postid=55737&sid=da323e000f0809e495d14a9c2220f627','0','0','')
mysql error: Duplicate entry 'dd4a4b26b4dbee0ff9fb8ae49fbbfbdd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 06.05.2024 @ 04:50
Script: /report.php?postid=55737&sid=da323e000f0809e495d14a9c2220f627
Referer: