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 ('b447ff8ee8c07ceecdee2ee3d256411a','0','3.144.124.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714718921','profile.php?userid=29&sid=80d312c0a734241f372d37cea8044360','0','0','')
mysql error: Duplicate entry 'b447ff8ee8c07ceecdee2ee3d256411a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 08:48
Script: /profile.php?userid=29&sid=80d312c0a734241f372d37cea8044360
Referer: