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 ('a22b515357a4afcc97b4f95328e8f433','0','3.17.187.116','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715670483','thread.php?goto=lastpost&threadid=7931&sid=22946df95dcc32ae795a7108739b9344','0','0','')
mysql error: Duplicate entry 'a22b515357a4afcc97b4f95328e8f433' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 14.05.2024 @ 09:08
Script: /thread.php?goto=lastpost&threadid=7931&sid=22946df95dcc32ae795a7108739b9344
Referer: