0c7dc5293b0a1723b6f9812872faf981 *dt2006-07-01.d1t01.wav dcaa9865ae49f63db6be9529e6a79767 *dt2006-07-01.d1t02.wav 1a7294ba67d1adeba6d6b6fc2ac98efe *dt2006-07-01.d1t03.wav 7aa5a4a54470539c2cc2ba57531616eb *dt2006-07-01.d1t04.wav 452d078b16706f92eca57b53f52175f7 *dt2006-07-01.d1t05.wav App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned