1. Core Layer (Lớp mạng trung tâm)
2. Distribution layer (Lớp phân phối)
3. Access Layer (Lớp mạng truy cập)
ErrorException Message: Argument 2 passed to WP_Translation_Controller::load_file() must be of the type string, null given, called in /home/suamayti65d9/public_html/wp-includes/l10n.php on line 838
https://suamaytinhsg.com/wp-content/plugins/dmca-badge/libraries/sidecar/classes/