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 ('1b0c226b1471ffc85066d0206a42e0fd','0','18.221.92.170','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715774067','team.php?sid=f4bfca89ffb5c04bb9fd59fd4e7d6466','0','0','')
mysql error: Duplicate entry '1b0c226b1471ffc85066d0206a42e0fd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 13:54
Script: /team.php?sid=f4bfca89ffb5c04bb9fd59fd4e7d6466
Referer: http://wehrbauten.de/team.php?sid=f4bfca89ffb5c04bb9fd59fd4e7d6466