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 ('ce33ea3bb2bc79aebd9c5be3c62a7658','0','3.133.137.169','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715855214','login.php?sid=90140dd6e860d09ffee9af63be5a2840','0','0','')
mysql error: Duplicate entry 'ce33ea3bb2bc79aebd9c5be3c62a7658' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 12:26
Script: /login.php?sid=90140dd6e860d09ffee9af63be5a2840
Referer: http://wehrbauten.de/login.php?sid=90140dd6e860d09ffee9af63be5a2840