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 ('a90a832fbfe03f0b26f35d6c037da60c','0','18.223.159.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715303179','misc.php?action=faq&sid=ae33c8364579c1e9127a685b9e835ff7','0','0','')
mysql error: Duplicate entry 'a90a832fbfe03f0b26f35d6c037da60c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 03:06
Script: /misc.php?action=faq&sid=ae33c8364579c1e9127a685b9e835ff7
Referer: http://wehrbauten.de/misc.php?action=faq&sid=ae33c8364579c1e9127a685b9e835ff7