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 ('d529b30c8eec407d357cada981d8394b','0','18.118.120.109','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714712150','board.php?boardid=597&sid=48ba7789051797d6b5e115e08cf81cec','0','0','')
mysql error: Duplicate entry 'd529b30c8eec407d357cada981d8394b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 06:55
Script: /board.php?boardid=597&sid=48ba7789051797d6b5e115e08cf81cec
Referer: