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 ('22de990de460de844cd4ed106f970efc','0','18.221.85.33','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715148848','board.php?boardid=291&sid=5a4bfa6bdd5a9049d27aa9c3034e706b','0','0','')
mysql error: Duplicate entry '22de990de460de844cd4ed106f970efc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 08:14
Script: /board.php?boardid=291&sid=5a4bfa6bdd5a9049d27aa9c3034e706b
Referer: