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 ('7a1850905e6bf047fd740aacb290abe9','0','3.144.84.155','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715131872','board.php?boardid=69&sid=6d23cf6aa4eddbe1d375488441866610','0','0','')
mysql error: Duplicate entry '7a1850905e6bf047fd740aacb290abe9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 03:31
Script: /board.php?boardid=69&sid=6d23cf6aa4eddbe1d375488441866610
Referer: