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 ('50de26c15120db24555d1251b06e265f','0','3.144.94.187','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715466633','board.php?boardid=130&sid=04d9ce00c4fba7fb259ff4fdd4bd93b1','0','0','')
mysql error: Duplicate entry '50de26c15120db24555d1251b06e265f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 12.05.2024 @ 00:30
Script: /board.php?boardid=130&sid=04d9ce00c4fba7fb259ff4fdd4bd93b1
Referer: