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 ('638c1d2bb62288734cf1451434e2951c','0','3.144.243.184','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715041694','index.php?hidecat=24&sid=199c9986c7b274ee8f12b654a70e173d','0','0','')
mysql error: Duplicate entry '638c1d2bb62288734cf1451434e2951c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 02:28
Script: /index.php?hidecat=24&sid=199c9986c7b274ee8f12b654a70e173d
Referer: http://wehrbauten.de/index.php?hidecat=24&sid=199c9986c7b274ee8f12b654a70e173d