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 ('e59551955d2be8fb36baa2468e1044cd','0','3.144.227.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715780706','misc.php?action=imprint&sid=994c78c69705ff3efba062731b25f2b8','0','0','')
mysql error: Duplicate entry 'e59551955d2be8fb36baa2468e1044cd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 15:45
Script: /misc.php?action=imprint&sid=994c78c69705ff3efba062731b25f2b8
Referer: