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 ('1e8ad74cb131bd7475201e2c378a42b8','0','3.133.90.25','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715782344','thread.php?goto=lastpost&threadid=2270&sid=348d5257bd69421ba4e209220202d7fc','0','0','')
mysql error: Duplicate entry '1e8ad74cb131bd7475201e2c378a42b8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 16:12
Script: /thread.php?goto=lastpost&threadid=2270&sid=348d5257bd69421ba4e209220202d7fc
Referer: