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 ('f7368ee9cb25e20cffeaef4715bca60d','0','18.222.205.5','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715732118','calendar.php?sid=1bd8ef3c62af20d427f0ade044019c3e','0','0','')
mysql error: Duplicate entry 'f7368ee9cb25e20cffeaef4715bca60d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 02:15
Script: /calendar.php?sid=1bd8ef3c62af20d427f0ade044019c3e
Referer: