Why can't I create a QSP in Dwarf Fortress?

So I've just started playing dwarf fortress. I designated a stockpile to store woods in order, and then removed that stockpile. After that, I marked all woods in the rectangle area as Dump items using d-b-d, and created a single-tile zone near the entrance.

However, dwarves don't react to my order, and all woods remain unmoved. I've checked and all dwarves have Refuse Hauling labor enabled. What's wrong?

_{As you can see, all woods has been marked as Dump.}

_{This is the quantum stockpile I want to create.}

_{These dwarves should be hauling woods, but they aren't.}