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 ('c70aab85be4f0f91f2055b560ea95d26','0','3.16.69.143','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715018581','thread.php?threadid=2277&goto=lastpost&sid=bec11053e8b369e4da2c6b5e278c82d2','0','0','')
mysql error: Duplicate entry 'c70aab85be4f0f91f2055b560ea95d26' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 20:03
Script: /thread.php?threadid=2277&goto=lastpost&sid=bec11053e8b369e4da2c6b5e278c82d2
Referer: