SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('ba77de0d2e7958c797aec209b940c7f5','0','3.146.176.254','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716361810','profile.php?userid=9490&sid=3bee36c17c39cfd29ef10e1f729e11ec','0','0','')
mysql error: Duplicate entry 'ba77de0d2e7958c797aec209b940c7f5' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 22.05.2024 @ 03:10
Script: /wbb2/profile.php?userid=9490&sid=3bee36c17c39cfd29ef10e1f729e11ec
Referer: