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 ('225ff051f4d8b13122af39ae9581666b','0','3.143.168.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715058122','board.php?boardid=155&sid=1bb660f7fc07d9279eb1570f165c7cff','0','0','')
mysql error: Duplicate entry '225ff051f4d8b13122af39ae9581666b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 07:02
Script: /board.php?boardid=155&sid=1bb660f7fc07d9279eb1570f165c7cff
Referer: