Severity: Notice
Message: Undefined variable: model
Filename: controllers/danh_muc.php
Line Number: 69
Severity: Notice
Message: Undefined property: danh_muc::$model
Filename: MX/Loader.php
Line Number: 208
Severity: Notice
Message: Undefined property: danh_muc::$model
Filename: controllers/danh_muc.php
Line Number: 71