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 ('a23041712d9a469a17aa95901ba33ba5','0','3.17.184.90','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715059626','login.php?sid=b7fcc2ae3b364ac5a5855fcf27b865d8','0','0','')
mysql error: Duplicate entry 'a23041712d9a469a17aa95901ba33ba5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.5.62-0+deb8u1
php version: 5.6.40-0+deb8u12
Date: 07.05.2024 @ 07:27
Script: /board/login.php?sid=b7fcc2ae3b364ac5a5855fcf27b865d8
Referer: