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 ('ea0b1ada363bd9930dc534d5f1881e97','0','3.19.30.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714550187','usercp.php?action=buddy&add=52&sid=1efb261268087c6d776808ae78101ece','0','0','')
mysql error: Duplicate entry 'ea0b1ada363bd9930dc534d5f1881e97' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 01.05.2024 @ 03:56
Script: /wbb2/usercp.php?action=buddy&add=52&sid=1efb261268087c6d776808ae78101ece
Referer: