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 ('5f3a65672ef0af2e6fbcb9d71e531bc8','0','3.145.64.132','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715353708','board.php?boardid=141&sid=f19d28b06a48492a1284ee685766215d','0','0','')
mysql error: Duplicate entry '5f3a65672ef0af2e6fbcb9d71e531bc8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 17:08
Script: /board.php?boardid=141&sid=f19d28b06a48492a1284ee685766215d
Referer: