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 ('ef07dd3ff64d145d917fd79df6bba4c5','0','18.225.98.111','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715470890','memberslist.php?sid=a51e9d8ce5dbe947557bb0462d4658e0','0','0','')
mysql error: Duplicate entry 'ef07dd3ff64d145d917fd79df6bba4c5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 01:41
Script: /memberslist.php?sid=a51e9d8ce5dbe947557bb0462d4658e0
Referer: http://wehrbauten.de/memberslist.php?sid=a51e9d8ce5dbe947557bb0462d4658e0