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 ('b7bff0adebb9804c3ff38213a3bbf802','0','3.140.198.43','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715093137','formmail.php?threadid=1942&sid=8b1644d1b543eb656041e54900aa6228','0','0','')
mysql error: Duplicate entry 'b7bff0adebb9804c3ff38213a3bbf802' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 16:45
Script: /formmail.php?threadid=1942&sid=8b1644d1b543eb656041e54900aa6228
Referer: