Duplicate cards on search pages

gistfile1.txt

var board_id = new Board({link: "https://trello.com/b/qTCYep6l"}).id();
var page = 0;
var cont = true;
var all_ids = [];

while(cont)
{
  cont = false;
  var url = "search?query=is:open&idBoards="+board_id+"&modelTypes=cards&partial=true&board_fields=name%2CidOrganization&boards_limit=1000&card_fields=all&cards_limit=10&cards_page="+page+"&card_attachments=false&organization_fields=name%2CdisplayName&organizations_limit=10&member_fields=avatarHash%2CfullName%2Cinitials%2Cusername%2Cconfirmed&members_limit=10";

  new IterableCollection(TrelloApi.get(url).cards).each(function(elem,key)
  {
      cont = true;
      var cur_id = new Card(elem).id();

      if(all_ids.indexOf(cur_id) > -1)
      {
          console.log("Duplicate id: "+cur_id+" found at element: "+key+" on page: "+page);
      }

      else
      {
          all_ids.push(cur_id);
      }
  });
  
  page++;
}