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 ('c7e91b6863e758021629187ff14590d9','0','18.118.227.69','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715025003','jgs_portal.php?sid=4807b42b72243e92991e854be3cb6f3c','0','0','')
mysql error: Duplicate entry 'c7e91b6863e758021629187ff14590d9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 21:50
Script: /jgs_portal.php?sid=4807b42b72243e92991e854be3cb6f3c
Referer: