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 ('e0afa1008cc4a40bf6a4d6724b4d3775','0','3.145.64.132','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714782499','calendar.php?sid=9206bfd4a13e59fdedc6d83b12850b02','0','0','')
mysql error: Duplicate entry 'e0afa1008cc4a40bf6a4d6724b4d3775' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 02:28
Script: /calendar.php?sid=9206bfd4a13e59fdedc6d83b12850b02
Referer: