Fatal error: Uncaught Error: Undefined constant "Models\_DATABASE_HOST_" in /home/listing2leasing/public_html/library/src/models/Database.php:16 Stack trace: #0 /home/listing2leasing/public_html/_autoload.php(11): Models\Database->__construct() #1 /home/listing2leasing/public_html/login.php(2): require_once('/home/listing2l...') #2 {main} thrown in /home/listing2leasing/public_html/library/src/models/Database.php on line 16