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 ('f96c57d24bffca9e0f9b5ea5057e2cd2','0','3.149.233.72','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715298237','forgotpw.php?sid=8095347743d6a0b495bac566dbf953bf','0','0','')
mysql error: Duplicate entry 'f96c57d24bffca9e0f9b5ea5057e2cd2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 01:43
Script: /forgotpw.php?sid=8095347743d6a0b495bac566dbf953bf
Referer: http://wehrbauten.de/forgotpw.php?sid=8095347743d6a0b495bac566dbf953bf