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 ('a309f003414ded7740912753f5a64182','0','52.14.150.222','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716096283','forgotpw.php?sid=af65510dd8eab3a2871c8049c03c4a4a','0','0','')
mysql error: Duplicate entry 'a309f003414ded7740912753f5a64182' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 19.05.2024 @ 07:24
Script: /board/forgotpw.php?sid=af65510dd8eab3a2871c8049c03c4a4a
Referer: