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 ('6668abb18125b629ef3b1f03761275c0','0','18.117.186.92','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716216661','thread.php?threadid=8111&threadview=1&hilight=&hilightuser=0&sid=cd7f69742c540f7e5a89b56fca11d820','0','0','')
mysql error: Duplicate entry '6668abb18125b629ef3b1f03761275c0' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 16:51
Script: /thread.php?threadid=8111&threadview=1&hilight=&hilightuser=0&sid=cd7f69742c540f7e5a89b56fca11d820
Referer: