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 ('6668c997594818c1e99b8f0799c7dc8d','0','18.221.208.183','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715409565','usercp.php?action=addsubscription&boardid=722&sid=faa5e89edf086b7952939d3e339f1e3c','0','0','')
mysql error: Duplicate entry '6668c997594818c1e99b8f0799c7dc8d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 08:39
Script: /usercp.php?action=addsubscription&boardid=722&sid=faa5e89edf086b7952939d3e339f1e3c
Referer: