SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.4): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('12ac60deeeb3485f29db415628dcf357','0','3.145.66.55','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715402633','profile.php?userid=167495&sid=5926ab1228e2dcd0e1adbd6a7a507011','0','0','')
mysql error: Duplicate entry '12ac60deeeb3485f29db415628dcf357' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 11.05.2024 @ 00:43
Script: /wbb2/profile.php?userid=167495&sid=5926ab1228e2dcd0e1adbd6a7a507011
Referer: