sci1996-07-06t01.flac:770dea3c4c5419c900b6b4aa28e11661 sci1996-07-06t02.flac:ffe9a10c09377ec8659cdef30fd388b0 sci1996-07-06t03.flac:f0aa7d6b6f737f31a9b34b55ab8bbdb4 sci1996-07-06t04.flac:15197e2067ca2829bbb73940546ef0a9 sci1996-07-06t05.flac:d74d0a993e135350e1116c6f2d9038c7 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned