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 ('ae0c90678303b4d57b05954d11155393','0','18.218.66.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715892349','addreply.php?threadid=631&sid=b519b048f342d5bf5d278da001e25788','0','0','')
mysql error: Duplicate entry 'ae0c90678303b4d57b05954d11155393' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 22:45
Script: /addreply.php?threadid=631&sid=b519b048f342d5bf5d278da001e25788
Referer: http://wehrbauten.de/addreply.php?threadid=631&sid=b519b048f342d5bf5d278da001e25788