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 ('64226a5948409e7fa5333d48c7b3c3d9','0','3.141.44.9','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715816458','forgotpw.php?sid=44dff3af4646b06f19a924159d3d1316','0','0','')
mysql error: Duplicate entry '64226a5948409e7fa5333d48c7b3c3d9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 01:40
Script: /forgotpw.php?sid=44dff3af4646b06f19a924159d3d1316
Referer: