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 ('f15b14aa342587c4f542bddfeedd3d89','0','18.226.96.37','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715831686','forgotpw.php?sid=97f5099be3af9d9a124cf85a1448fd45','0','0','')
mysql error: Duplicate entry 'f15b14aa342587c4f542bddfeedd3d89' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 05:54
Script: /forgotpw.php?sid=97f5099be3af9d9a124cf85a1448fd45
Referer: