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 ('c456b7216cdb78b27091f6b5d46796b9','0','18.221.187.207','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715772633','team.php?sid=e579ece020cfcb444a22d2b217d0c1df','0','0','')
mysql error: Duplicate entry 'c456b7216cdb78b27091f6b5d46796b9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 13:30
Script: /team.php?sid=e579ece020cfcb444a22d2b217d0c1df
Referer: http://wehrbauten.de/team.php?sid=e579ece020cfcb444a22d2b217d0c1df