SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('c2a54d7dad10b203f9046ca7e7c4225a','0','3.142.144.40','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713567035','register.php?sid=5592ec376c08feb7febb9dac99872620','0','0','')
mysql error: Duplicate entry 'c2a54d7dad10b203f9046ca7e7c4225a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 20.04.2024 @ 00:50
Script: /register.php?sid=5592ec376c08feb7febb9dac99872620
Referer: