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 ('0af194afc651f28bb0a6b1b68075e677','0','18.221.112.220','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715478861','thread.php?threadid=1406&threadview=0&hilight=&hilightuser=0&sid=69ec03198b7d900525331f828a3e7411','0','0','')
mysql error: Duplicate entry '0af194afc651f28bb0a6b1b68075e677' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 03:54
Script: /thread.php?threadid=1406&threadview=0&hilight=&hilightuser=0&sid=69ec03198b7d900525331f828a3e7411
Referer: