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 ('aac7d41996096a986acf36ee1509de85','0','3.141.199.122','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715759705','profile.php?userid=164955&sid=cf043dd8365f583b2ed48c578cd674a4','0','0','')
mysql error: Duplicate entry 'aac7d41996096a986acf36ee1509de85' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 15.05.2024 @ 03:55
Script: /wbb2/profile.php?userid=164955&sid=cf043dd8365f583b2ed48c578cd674a4
Referer: