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 ('ed249c5c4ffb7cba3c0206ec16ce8e4c','0','3.145.20.193','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715816156','formmail.php?userid=267&sid=5bc8fc724df7d778d55ef4e8e90112c1','0','0','')
mysql error: Duplicate entry 'ed249c5c4ffb7cba3c0206ec16ce8e4c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 01:35
Script: /formmail.php?userid=267&sid=5bc8fc724df7d778d55ef4e8e90112c1
Referer: