SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('8554794b4462b1407c6cacd21d361507','0','18.191.156.36','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745171323','thread.php?hilightuser=0&threadid=94&threadview=1','0','0','')
mysql error: Duplicate entry '8554794b4462b1407c6cacd21d361507' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 20.04.2025 @ 19:48
Script: /thread.php?hilightuser=0&threadid=94&threadview=1
Referer: http://gttempel.de/thread.php?hilightuser=0&threadid=94&threadview=1