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 ('b90b27dabd122c748f3a970529ea37af','0','3.145.83.150','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715039563','thread.php?goto=lastpost&threadid=2286&sid=7617129000a9907ba122d46c15d42a6f','0','0','')
mysql error: Duplicate entry 'b90b27dabd122c748f3a970529ea37af' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 01:52
Script: /thread.php?goto=lastpost&threadid=2286&sid=7617129000a9907ba122d46c15d42a6f
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2286&sid=7617129000a9907ba122d46c15d42a6f