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 ('c5a9177644944e616ed85e69eb834110','0','18.119.131.72','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714754667','board.php?boardid=223&sid=0134f6ac401b71a0b58f015b0fe114f2','0','0','')
mysql error: Duplicate entry 'c5a9177644944e616ed85e69eb834110' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 18:44
Script: /board.php?boardid=223&sid=0134f6ac401b71a0b58f015b0fe114f2
Referer: