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 ('b49dc35044c009d58e7d2ec6385fc909','0','18.217.8.82','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714696969','login.php?sid=66400a9fe9386a24db5824728dca31a1','0','0','')
mysql error: Duplicate entry 'b49dc35044c009d58e7d2ec6385fc909' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 02:42
Script: /login.php?sid=66400a9fe9386a24db5824728dca31a1
Referer: