Querying across multiple tables in CakePHP 3.x ORM

I have three tables *Countries, Cities* and *Addresses*. Their relationship is Countries hasMany Cities, Cities hasMany Addresses. So Its something like this Countries->Cities->Addresses. If I want to get all addresses in a certain city I can do it like this $this->paginate = [ 'conta

cakePHP File Download was not found or not readable

I've been struggling now for an hour trying to fix this. I used this to download file from app/uploads/directory. It says the directory not found or not readable. Yet i checked it and it was there also the file using $file['File']['filename']. I want to know what I am missing here.? $file = $