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 ('3a0a6e971b46954cc20372ae863b33a8','0','18.118.93.123','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716162069','jgs_portal.php?sid=e6b9997a063d131257efd3d8ffae6923','0','0','')
mysql error: Duplicate entry '3a0a6e971b46954cc20372ae863b33a8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 20.05.2024 @ 01:41
Script: /jgs_portal.php?sid=e6b9997a063d131257efd3d8ffae6923
Referer: http://wehrbauten.de/jgs_portal.php?sid=e6b9997a063d131257efd3d8ffae6923