SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('eb6020f6c861653c186d7d84d6a7d0bb','0','3.144.143.31','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714275379','search.php?action=user&userid=14&sid=07661293c3ac437670c72c7c32619c24','0','0','')
mysql error: Duplicate entry 'eb6020f6c861653c186d7d84d6a7d0bb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0+deb9u2
php version: 5.2.6
Date: 28.04.2024 @ 05:36
Script: /search.php?action=user&userid=14&sid=07661293c3ac437670c72c7c32619c24
Referer: