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 ('b7919a223a780c1944a7c70223e1ef21','0','3.149.229.253','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715213087','jgs_portal.php?sid=34b8a98ad21b973945102c74e073b8d2','0','0','')
mysql error: Duplicate entry 'b7919a223a780c1944a7c70223e1ef21' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 02:04
Script: /jgs_portal.php?sid=34b8a98ad21b973945102c74e073b8d2
Referer: http://wehrbauten.de/jgs_portal.php?sid=34b8a98ad21b973945102c74e073b8d2