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 ('ebb048b7596206a58741c166229c1e3e','0','3.15.176.225','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716335042','thread.php?goto=lastpost&threadid=7882&sid=727604151f25c1131b5c33bccedfe908','0','0','')
mysql error: Duplicate entry 'ebb048b7596206a58741c166229c1e3e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 22.05.2024 @ 01:44
Script: /thread.php?goto=lastpost&threadid=7882&sid=727604151f25c1131b5c33bccedfe908
Referer: