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 ('ada19fe1cee19a77e98ca5424f383a1b','0','18.119.110.116','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715793318','thread.php?goto=lastpost&threadid=8111&sid=9fedb1e06c79079d39fccc315ebcb657','0','0','')
mysql error: Duplicate entry 'ada19fe1cee19a77e98ca5424f383a1b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 15.05.2024 @ 19:15
Script: /thread.php?goto=lastpost&threadid=8111&sid=9fedb1e06c79079d39fccc315ebcb657
Referer: