8c5afc28178b964b95b9f915c0b593f3 bt2002-11-30d3t01.shn 5ae82ed64df867839fab567368750dbf bt2002-11-30d3t02.shn 509fc7fc9dfb35efeceb61718851d01d bt2002-11-30d3t03.shn 65eb00a6c20742e12d917015eb711a52 bt2002-11-30d3t04.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned