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 ('49223b257384d0b19f154f146d4f2197','0','18.221.15.15','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714826624','board.php?boardid=776&sid=34efa048655c492544fa3961306ff941','0','0','')
mysql error: Duplicate entry '49223b257384d0b19f154f146d4f2197' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 14:43
Script: /board.php?boardid=776&sid=34efa048655c492544fa3961306ff941
Referer: