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 ('94120338e2235078aeb63c091608cfd7','0','18.219.22.169','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715298778','formmail.php?userid=344&sid=08fcd2fa8c33de6a04e808482f9fa659','0','0','')
mysql error: Duplicate entry '94120338e2235078aeb63c091608cfd7' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 01:52
Script: /formmail.php?userid=344&sid=08fcd2fa8c33de6a04e808482f9fa659
Referer: http://wehrbauten.de/formmail.php?userid=344&sid=08fcd2fa8c33de6a04e808482f9fa659