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 ('393c30c33b64b0e112881e7aff5e6626','0','3.141.166.190','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716098166','search.php?sid=7d2a5850a3c8dcd355fb1486fd9f794f','0','0','')
mysql error: Duplicate entry '393c30c33b64b0e112881e7aff5e6626' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 4.4.9
Date: 19.05.2024 @ 07:56
Script: /board/search.php?sid=7d2a5850a3c8dcd355fb1486fd9f794f
Referer: