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 ('a0b9bafe78a3c7a6ddbb740580317f0b','0','3.147.45.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715482545','thread.php?goto=nextoldest&threadid=4817&sid=70e5be15d79731488b05af1ae138ac78','0','0','')
mysql error: Duplicate entry 'a0b9bafe78a3c7a6ddbb740580317f0b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.41
php version: 5.3.29
Date: 12.05.2024 @ 04:55
Script: /wbb2/thread.php?goto=nextoldest&threadid=4817&sid=70e5be15d79731488b05af1ae138ac78
Referer: