HTTP API has the next error report:
array:7 [▼
"type" => "error"
"status" => 409
"code" => "item_name_in_use"
"context_info" => array:1 [▶]
"help_url" => "http://developers.box.com/docs/#errors"
"message" => "Item with the same name already exists"
"request_id" => "123"
]
If you check the link http://developers.box.com/docs/#errors - you got 404 page.