SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('f2511995ee79a01bfc2dabe69035aeac','0','216.73.216.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1749382958','print.php?page=1&threadid=1865','0','0','')
mysql error: Duplicate entry 'f2511995ee79a01bfc2dabe69035aeac' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 08.06.2025 @ 13:42
Script: /print.php?page=1&threadid=1865
Referer: