SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('9bac6fb9ee991875be55fdc016fa5a06','0','52.14.84.29','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714897849','profile.php?userid=38444&sid=ae7fb561730f15acbccf2e1575b694fb','0','0','')
mysql error: Duplicate entry '9bac6fb9ee991875be55fdc016fa5a06' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.41-3ubuntu12.3
php version: 4.4.9
Date: 05.05.2024 @ 10:30
Script: /wbb2/profile.php?userid=38444&sid=ae7fb561730f15acbccf2e1575b694fb
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