SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6.pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('a5a803d96d206114b5b8ca0a519d258c','0','3.138.110.119','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715315318','misc.php?action=faq&sid=647d4250f8a8847b3686737d045d8153','0','0','')
mysql error: Duplicate entry 'a5a803d96d206114b5b8ca0a519d258c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 10.05.2024 @ 06:28
Script: /wbb2/misc.php?action=faq&sid=647d4250f8a8847b3686737d045d8153
Referer: