SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('bccbd8e205af9c16ede94cea5f566adf','0','18.222.121.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716274406','profile.php?userid=3352&sid=a90ad516bf5f07dc5f33b7817e68793f','0','0','')
mysql error: Duplicate entry 'bccbd8e205af9c16ede94cea5f566adf' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 21.05.2024 @ 02:53
Script: /wbb2/profile.php?userid=3352&sid=a90ad516bf5f07dc5f33b7817e68793f
Referer: