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 ('d97467c816e7ed9e6b534b36adc89a04','0','3.149.244.86','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715567845','board.php?boardid=341&sid=bab5fb0a3f9c23d0c8dbe34c3b5dde90','0','0','')
mysql error: Duplicate entry 'd97467c816e7ed9e6b534b36adc89a04' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 04:37
Script: /board.php?boardid=341&sid=bab5fb0a3f9c23d0c8dbe34c3b5dde90
Referer: