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 ('c88c76671457a7bca9cd65b380d75d5f','0','127.0.0.1','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714408624','thread.php?threadid=99&page=5&sid=0ecf1b68d0b888f74f60147b96c75150','0','0','')
mysql error: Duplicate entry 'c88c76671457a7bca9cd65b380d75d5f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-0ubuntu0.18.04.1
php version: 7.2.34-36+ubuntu18.04.1+deb.sury.org+1
Date: 29.04.2024 @ 18:37
Script: /forum/thread.php?threadid=99&page=5&sid=0ecf1b68d0b888f74f60147b96c75150
Referer: