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 ('d64b54077d69daa54d13eaea04d48f02','0','18.222.164.11','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1746923887','thread.php?goto=nextnewest&threadid=26188','0','0','')
mysql error: Duplicate entry 'd64b54077d69daa54d13eaea04d48f02' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.73-1
php version: 5.3.3-7+squeeze19
Date: 11.05.2025 @ 02:38
Script: /waller/thread.php?goto=nextnewest&threadid=26188
Referer: